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DIY Cruise Control High Idle

Cowboy

  • January 24, 2016

DIY High Idle using the Stock Cruise Control Servo.

First off, before being able to modify the system for high idle, we must understand what we are working with.

How the cruise control servo works:

56a4f40fe66dd_CCPinConfiguration.jpg.811

  • Pin 4 (black) is permanently grounded. 
  • Pin 3 (blue/red) gets 12 volts from the PCM , through the brake switch when enabled.  This is the main feed for the system, it supplies power to all 3 solenoid valves within the servo.  Suppling this pin with power closes the "Dump" valve.  Without power to this pin, nothing happens. 
  • Pin 2 (green/red) gets grounded selectively by the PCM , By grounding this pin, it closes the "vent" valve, thus allowing the servo to hold vacuum.  By ungrounding the pin, it will allow vacuum out of the servo decreasing throttle.
  • Pin 1 (tan/red) gets grounded selectively by the PCM .  By grounding this pin, it opens the 'vacuum' valve allowing vacuum into the servo increasing the throttle.

With our new found knowledge,  it has become obvious what needs to be done.  But there is something else that we need to remember, if we plan on having cruise control still, we must modify the system in a way that the PCM can still function correctly.

So what do we need to accomplish:

  • First things first, we need to make sure be don't back feed the PCM which can cause damage, for this we'll use diodes.  Diodes only let current flow in one direction, they're the check valve of the electronics world.  By placing diodes in the circuit, it will let the PCM feed the servo as normal, but won't let us back feed it.  Perfect!
  • We need to supply Pin 3 with 12 volts, I originally thought I could just turn on the stock cruise control system, however it became obvious that the PCM monitors the system closely, and can detect our fooling around and will shut the power back off, not letting us turn it back one again until the next start up.
  • We need a way of normally having pin 2 open (not grounded), then ground it when the 'enable' switch is on, but then unground it when the 'lower idle' switch is pressed.
  • And then lastely, we need to be able to ground pin 1, very simple, any NO (Normally Open) Switch will do.
  • (Optional) When the 'Enable' Switch is off, disable both the other switches.

Keeping that in mind we'll need 4 modes:

Hold Idle Mode (High Idle Enabled):                                   Pin 3 - 12 Volts,   Pin 2 - Ground, Pin 1 - Open. 

Increase Idle Mode:                                                               Pin 3 - 12 Volts,  Pin 2 - Ground,  Pin 1 - Ground.

Decrease Idle Mode:                                                              Pin 3 - 12 Volts,  Pin 2 - Open,     Pin 1 - Open.

Stealth Mode(Makes the PCM think nothings changed):  Pin 3 - Open,      Pin 2 Open,       Pin 1 - Open.

With all that in mind, here's what I came up with:

Parts List:  (This is for my setup, if you wish to change it around, the sky is the limit.) 

  • 2 X Push Button Momentary SPST NO  Green Black Red
  • 1 X Latching On-Off Switch ( lots of options here )
  • 1 X Mini Relay SPDT 6V DC.
  • 1 X 100 ohm 1 watt Resistor
  • 6 X 1N4007 Diodes
  • 1 X 4 Wire Cable
  • 1 X Assortment of Heat Shrink Tubing -> Great Value

Yes it is a little complex, but if you have one each of NO and NC momentary switches, and a DPST switch as your 'enable' switch, you can eliminate the resister and relay.  I did it the way I did for a couple reasons specific to my setup.

If you wish to play around with this circuit, here it is plugged into a circuit simulator, just click the switches, the LED color corresponds with the wire color, and them being on just means they are getting power.

CC High Idle Simulation

On to actually getting our hands dirty:  Before we get started, I'm making a new acronym 'RYHST' (Remember Your Heat Shrink Tubing).

First things first we need to be able to get to the cruise control servo's plug for soldering.  You can also solder this in up top where the wires run along the firewall, but I liked doing down there where it's out of the way.  To get to it I removed the drivers side battery, which also gives us more room for soldering.

IMG_1828.JPG.9ac8007056e5c203e4d58147f14

After removing a little electrical tape:

IMG_1830.JPG.5e480f0d535b9312aeb4d7d91bb

Moment of no return....  Not really, Solder, Duct Tape and WD40 can fix about anything.

IMG_1831.JPG.7b8ee408fa5cb1208c9ec57ca13

Now for the diodes, I personally went with the 1N4007's as I had a pack of them, they're about as generic as they come.  The only difference between these and the 1N4001-6 is the voltage rating, the larger the last number, the higher the voltage rating, for this system any of them will work.  The way I figure it, if we're going to protect the PCM with these, might as well protect it all the way to 1000 Volts!  When selecting a diode, anything over 100V should be fine.  Now for amperage rating,  each solenoid has a resistance of 44 ohms, we'll be feeding them 14.5 Volts, minus the voltage drop of the diodes which is ~.6V each, 14.5V-.6V-.6V = 13.3 Volts.  Using that info we can calculate the amp draw, 13.3V/44Ω = .3 Amps.  Now that is for a single solenoid, the diodes on pin 3 will be powering 2 solenoids (.6Amp) constantly, and all 3 (.9Amp) for a short period of time.  These Diodes are rated for continues 1Amp.  Normally I would shoot for a larger margin for error, however a higher rated diode will be physically bigger, and because we're soldering relatively thick wires straight to the diode it will have more heat dissipation abilities allowing it to handle more amperage.

  • Voltage Rating - 100V minimum (overkill is good) - Check!
  • Current Rating -  0.9 Amp Minimum - Check!
  • Lastly, Make sure these are just a general diode, not a fancy zener diode or something - Check! 

Remember, the diodes are getting soldered to the PCM side of the plug.

IMG_1836.JPG.bbc08ab3ee2185e7988808e6fad

Now to reach into the cab for our switches we'll need a 4 wire cable, I picked a chunk of phone cable, even had good wire colors.

Again, solder the diodes on.  Also, remember diodes are directional, so notice the orientation of all the diodes we install.  You can tell the orientation by the silver stripe, in the picture below, electrical flow can only go up, if it tries to go down the diodes will close and prevent it from doing so.

IMG_1827.JPG.17fff9e4065f37ad5fcd56d4089

RYHST and twist the two sets of diodes together.

When soldering, once done, make sure there are no spikes that are sticking up waiting to  puncture the heat shrink tubing.  If you have a lot of issues with this, it may be a sign of using to much solder.

IMG_1839.JPG.05f3a3d9e142dcf47c69ef32a14

Now solder that back to your plug (RYHST)

IMG_1842.JPG.0dc934a331384759d7d6307897d

Now the ground wire, just strip a portion of the insulation off, rap the new wire around it and apply solder.

IMG_1843.JPG.543800cd1ac2fe0aa008a14fa85

There is a small issue, doing it this way we can't get heat shrink tubing on the wire.

Or maybe we can...

Use a pick (or pocket knife) to pry this red plug out

IMG_1849.JPG.fdd0cff1b9068fd8b8ae93347e7

Now there are little fingers holding the pins in, again take your "pick" and pry the one up to get the pin out.

IMG_1844.JPG.8953366ed24900e66fd60ca14bd

Now for pin #3 (notice that the diodes are facing the opposite direction, that is because this is a power wire where as the others were ground).

IMG_1856.JPG.390256dab5797e1249bb507850a

All back together

IMG_1852.JPG.e421e90b6d828092e4af745cbb9

That's all ready, Time for the truck side, unfortunately I didn't get as many pictures as I would have liked, but they arn't really of use anyway, just a rats nest of wires everywhere.  Just stick to the diagram above and you'll be fine!

I'm going to be using 4 resisters instead of one... Why?

It' simple, the design requires a 6 volt relay, so we must split the 12V in half.  I measured the relays resistance and got 100 ohm's, so all we need is a 100 ohm resistor.  However we need to make sure it is rated for our needs.  we'll have half of 14 volts going through it, so 7 volts/100 ohms =  .07 amps.  .07 amps x 7 volts =  .49 watts!  So our resistor needs to be rated for at least 1/2 watt, 1 watt would be better.  Easy Peizy, however I did not have one on hand...  So my fix was to put four 470ohm 1/4watt resistors in parallel.  What does that give us?  The equivalent to one 117ohm 1watt resistor!  That'll do donkey, that'll do.

IMG_1864.JPG.1f6aa776bdc332958092278575d

I had some clearance issues with the switches, so I had to cut the terminals short, but I was able to use some larger heat shrink tubing to protect them pretty well.

IMG_1867.JPG.8daec3dcec2662e15add4f1db3b

Here's the rats nest all soldered up ready to go;

2nd gen ram cruise control servo

Throw a little electrical tape at it and it's ready to call the dash it's home!

56aecff32dcb3_IMG_1893(Custom).JPG.623b4

And Installed:

IMG_1869.JPG.daf8fc33b4169ac0d14fcbb59c5

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  • Dodge Durango 1st Gen (98 - 03) Forums
  • 1G Dodge Durango General Talk

anyone know how to test the cruise control servo

  • Add to quote

I've tried a lot of different things to fix my cruise. I would like to test the cruise control servo with a multimeter. anyone know how to do that.  

Here's the sections from the 2000 Dakota FSM (pretty much identical to the Durango), on the cruise control. One is the cruise control information, other is the wiring diagram section pertaining to it.  

Attachments

  • 00AN_8H.PDF 214.4 KB Views: 332
  • 8W-33 Vehicle Speed Control.pdf 310.2 KB Views: 256

its a 98 durango 5.9. Thanks for the manual brad!! That fsm is so much better then my haynes manual, there is some good info in there. I'll try some things. Is there a link to download the entire fsm somewhere?  

If you ask around you might be able to find someone that knows where you can get one for a 98. Ill try and dig up the link for the 2000 FSM I have.  

I hooked up 12 volts to the pin 3 on the cruise servo and then grounded the vent and vacuum solenoids to simulate what the pcm does and it appears the vaccum solenoid is not opening consistently so I ordered a new one of ebay for $35 shipped. Hopefully that works.  

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Genuine Dodge Cruise Control Servo

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6 Cruise Control Servos found

Dodge Cruise Control Servo - 4669977

Dodge SERVO-Speed Control

  • Other Name : SERVO Speed Control; Cruise Servo, Servo
  • Avenger | 1995-2000 | Base, ES | 4 Cyl 2.0L, 6 Cyl 2.5L
  • Caravan | 1997-2007 | Base, C/V, EC, LE, SE, Sport, SXT | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.8L
  • Dakota | 2000-2004 | Club Cab 2WD, Club Cab 4WD, Quad Cab 2WD, Quad Cab 4WD, R/T Club Cab 2WD, R/T Regular Cab 2WD, Regular Cab 2WD, Regular Cab 4WD, SLT Club Cab 2WD, SLT Club Cab 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, Sport Club Cab 2WD, Sport Club Cab 4WD, Sport Quad Cab 2WD, Sport Quad Cab 4WD, Sport Regular Cab 2WD, Sport Regular Cab 4WD | 6 Cyl 3.7L, 6 Cyl 3.9L, 8 Cyl 4.7L, 8 Cyl 5.9L
  • Durango | 2000-2003 | Base 2WD, Base 4WD, R/T 4WD, SLT 2WD, SLT 4WD, SLT Plus 2WD, SLT Plus 4WD, Sport 2WD, Sport 4WD | 8 Cyl 4.7L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Grand Caravan | 1997-2007 | Base, C/V, EL, ES AWD, ES FWD, EX, LE AWD, LE FWD, SE, SE AWD, SE FWD, Sport AWD, Sport FWD, SXT AWD, SXT FWD | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.8L
  • Intrepid | 1997-2004 | Base, ES, R/T, SE | 6 Cyl 2.7L, 6 Cyl 3.2L, 6 Cyl 3.3L, 6 Cyl 3.5L
  • Neon | 2003-2005 | ACR, R/T, SE, SXT | 4 Cyl 2.0L
  • Ram 1500 | 1998-2003 | Club Cab 2WD, Club Cab 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 2WD, Regular Cab 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 3.7L, 6 Cyl 3.9L, 8 Cyl 4.7L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram 2500 | 1998-2003 | Club Cab 2WD, Club Cab 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 2WD, Regular Cab 4WD, Regular Cab Chassis 2WD, Regular Cab Chassis 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.9L
  • Ram 3500 | 1998-2003 | Quad Cab 2WD, Quad Cab 4WD, Regular Cab 2WD, Regular Cab 4WD, Regular Cab Chassis 2WD, Regular Cab Chassis 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.9L

Dodge Cruise Control Servo - 53008012

Dodge SERVO-Speed Control (ZEMCO)

  • Other Name : SERVO, Speed Control
  • Replaced by : 53009315
  • D150 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • D250 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • D350 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Dakota | 1990-1991 | 6 Cyl 3.9L, 8 Cyl 5.2L
  • Ram Van | 1990-1993 | Ram 150 VAN, Ram 250 VAN, Ram 250 X-VAN, Ram 350 VAN, Ram 350 X-VAN | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram Wagon | 1990-1993 | Ram 150 Wagon, Ram 250 Wagon, Ram 250 X-Wagon, Ram 350 Wagon, Ram 350 X-Wagon | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ramcharger | 1990-1993 | Sport Utility 2WD, Sport Utility 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • W150 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • W250 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • W350 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L

Dodge Cruise Control Servo - 53009315

  • Other Name : SERVO, Speed Control; Cruise Servo, Servo
  • Replaces : 53008012
  • D150 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L
  • D250 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L
  • D350 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Dakota | 1990-1996 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD, Regular Cab 2WD, Regular Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L
  • Ram 1500 | 1994-1996 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD, Regular Cab 2WD, Regular Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram 2500 | 1994-1996 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD, Regular Cab 2WD, Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram 3500 | 1994-1996 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD, Regular Cab 2WD, Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.9L
  • Ram Van | 1990-1996 | Ram 150 VAN, Ram 1500 VAN, Ram 250 VAN, Ram 250 X-VAN, Ram 2500 VAN, Ram 2500 X-VAN, Ram 350 VAN, Ram 350 X-VAN, Ram 3500 VAN, Ram 3500 X-VAN | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram Wagon | 1990-1996 | Ram 150 Wagon, Ram 1500 Wagon, Ram 250 Wagon, Ram 250 X-Wagon, Ram 2500 Wagon, Ram 2500 X-Wagon, Ram 350 Wagon, Ram 350 X-Wagon, Ram 3500 Wagon, Ram 3500 X-Wagon | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ramcharger | 1990-1993 | Sport Utility 2WD, Sport Utility 4WD | 6 Cyl 3.9L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L

Dodge Cruise Control Servo - 4669979

  • Other Name : SERVO Speed Control; Actuator, Cruise Servo, Servo
  • Dakota | 2005-2007, 1997-1999 | Club Cab 2WD, Club Cab 4WD, Laramie Club Cab 2WD, Laramie Club Cab 4WD, Laramie Quad Cab 2WD, Laramie Quad Cab 4WD, Regular Cab 2WD, Regular Cab 4WD, SLT Club Cab 2WD, SLT Club Cab 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, ST Club Cab 2WD, ST Club Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD | 4 Cyl 2.5L, 6 Cyl 3.7L, 6 Cyl 3.9L, 8 Cyl 4.7L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Durango | 2004-2007, 1998-1999 | Base 2WD, Base 4WD, Limited 2WD, Limited 4WD, SLT 2WD, SLT 4WD, ST 2WD, ST 4WD, SXT 2WD, SXT 4WD | 6 Cyl 3.7L, 6 Cyl 3.9L, 8 Cyl 4.7L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Neon | 2003, 1997-2000 | 2 Door Base, 2 Door High Line, 2 Door Sport, 4 Door Base, 4 Door High Line, 4 Door Sport, ACR, R/T, SE, SXT | 4 Cyl 2.0L
  • Ram 1500 | 2002-2007, 1997-1999 | Club Cab 2WD, Club Cab 4WD, Club Cab 6FT BOX 2WD, Club Cab 6FT BOX 4WD, Club Cab 8FT BOX 2WD, Club Cab 8FT BOX 4WD, Laramie Quad Cab 2WD, Laramie Quad Cab 4WD, Laramie Regular Cab 2WD, Laramie Regular Cab 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 2WD, Regular Cab 4WD, Regular Cab 6FT BOX 2WD, Regular Cab 6FT BOX 4WD, Regular Cab 8FT BOX 2WD, Regular Cab 8FT BOX 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, SRT-10 Quad Cab 2WD, SRT-10 Regular Cab 2WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 10 Cyl 8.3L, 6 Cyl 3.7L, 6 Cyl 3.9L, 8 Cyl 4.7L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram 2500 | 2003-2004, 1997-1999 | Club Cab 2WD, Club Cab 4WD, Club Cab 6FT BOX 2WD, Club Cab 6FT BOX 4WD, Club Cab 8FT BOX 2WD, Club Cab 8FT BOX 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 8FT BOX 2WD, Regular Cab 8FT BOX 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram 3500 | 2003-2004, 1997-1999 | Club Cab 8FT BOX 2WD, Club Cab 8FT BOX 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 8FT BOX 2WD, Regular Cab 8FT BOX 4WD, Regular Cab Chassis 2WD, Regular Cab Chassis 4WD, SLT Quad Cab 2WD, SLT Quad Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Quad Cab 2WD, ST Quad Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 10 Cyl 8.0L, 6 Cyl 5.9L Diesel, 8 Cyl 5.9L
  • Ram Van | 1997-2003 | Ram 1500 Conversion, Ram 1500 VAN, Ram 2500 Conversion, Ram 2500 VAN, Ram 2500 X-VAN, Ram 3500 Conversion, Ram 3500 VAN, Ram 3500 X-VAN | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L
  • Ram Wagon | 1997-2002 | Ram 1500 Wagon, Ram 2500 Wagon, Ram 3500 Wagon, Ram 3500 X-Wagon | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L

Dodge Cruise Control Servo - 5277659

Dodge Servo

  • Other Name : SERVO, Speed Control; Cruise Servo
  • Avenger | 1995-1996 | Base, ES | 4 Cyl 2.0L, 6 Cyl 2.5L
  • Caravan | 1992-1996 | Base, C/V (Long Wheel Base VAN) AWD, C/V (Long Wheel Base VAN) FWD, C/V (Short Wheel Base VAN) AWD, C/V (Short Wheel Base VAN) FWD, LE, LE AWD, LE FWD, SE, SE AWD, SE FWD | 4 Cyl 2.4L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.8L, Electric Motor
  • Daytona | 1992-1993 | Base, ES, IROC, IROC R/T | 4 Cyl 2.2L, 4 Cyl 2.5L
  • Dynasty | 1992-1993 | Base, LE | 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L
  • Grand Caravan | 1992-1996 | Base, LE AWD, LE FWD, SE AWD, SE FWD | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L, 6 Cyl 3.8L
  • Intrepid | 1993-1996 | Base, ES | 6 Cyl 3.3L, 6 Cyl 3.5L
  • Neon | 1995-1996 | 2 Door Base, 2 Door High Line, 2 Door High Line , 2 Door Sport, 4 Door Base, 4 Door High Line, 4 Door Sport | 4 Cyl 2.0L
  • Shadow | 1992-1994 | 2 Door Convertible, 2 Door Hatchback, 4 Door Hatchback, America 2 Door Hatchback, America 4 Door Hatchback, ES 2 Door Convertible, ES 2 Door Hatchback, ES 4 Door Hatchback, Highline 2 Door Convertible, Highline 2 Door Hatchback, Highline 4 Door Hatchback | 4 Cyl 2.2L, 4 Cyl 2.5L, 6 Cyl 3.0L
  • Spirit | 1992-1995 | Base, ES, LE, R/T | 4 Cyl 2.2L, 4 Cyl 2.5L, 6 Cyl 3.0L
  • Stratus | 1995-1996 | Base, ES | 4 Cyl 2.0L, 4 Cyl 2.4L, 6 Cyl 2.5L

Dodge Cruise Control Servo - 4669978

Dodge SERVO-Spd Control

  • Other Name : SERVO Speed Control
  • Intrepid | 1997 | Base, ES | 6 Cyl 3.5L

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We are a team of electrical engineers and technicians who remanufacture automotive electronics. When your ABS light comes on, or your temperature controls stop working we can help. If the mechanic quotes you a high replacement cost, or you just can't find the part anymore check out our website for a low cost, sustainable alternative. You can remove the part and ship it to us yourself or ask your mechanic to do it for you. Still have questions? Give us a call, we're happy to help!

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Seriously into modules since 2004

From its humble beginnings in 2004 operating out of his parent’s tiny pump house, Gavin Curtis grew ModuleMaster into a leading-edge technology company specializing in the repair of automotive electronics. Today, ModuleMaster operates out of two state-of-the-art facilities in Moscow, Idaho, home of the University of Idaho.

ModuleMaster receives over 1,000 modules a month including ABS controllers, instrument clusters, climate control modules, trip computers, and the list keeps growing.

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I have used module master on 2 occasions for my 2004 Chevy Suburban. The first time for the ABS module and the second time for the instrument cluster. In both cases both were repaired and returned quickly, both worked perfectly. I recommend module master without any reservations! Mike D. / Long Beach, CA
I sent Module Masters an instrument cluster to get repaired that had an ignition off draw which was not the normal gauge problems that GM clusters have. They fixed it and rebuilt it and it is working great now. I couldn’t be happier!! They have great communication and very knowledgeable. THANKS!! Jesse K. / K-Tech Automotive
You folks have found the right blend of customer service and quality workmanship at a reasonable price. American trained craftsmen are the only way to go for us in this segment of the auto parts repair industry. ABS Automotive | San Mateo, CA
My motorcycle ABS unit quit. Bought a used one off the web, sent to Module Master, they sent it back with the note that it was in perfect working order with NO Charge. I installed it and it works! How wonderful to experience old school customer service, honesty, and integrity. I am sending the faulty one for repair today! Awesome! Wonderful! Stuart D. | Atlanta, GA
Just a short note to thank Gavin and his team at Module Masters. Just received my second front seat ECU module for my Bentley, fully restored to original operating condition. Incredibly fast service and a massive saving over new factory parts, I literally saved hundreds of dollars!! I highly recommend Module Master and will certainly use their services again for future projects. Ken W.

2nd gen ram cruise control servo

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  • 1994-1998.0 2nd Gen Dodge 5.9L 12V Cummins
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Replacement vacuum lines

2nd gen ram cruise control servo

  • Add to quote

Ok so my cruise control and vents don't work so I know it must be the lines. But were do you get replacements. Parts stores in town don't have any tube that's the same size. Can I order factory replacements through the stealership? Or where and what have you guys got your replacement lines On Cummins forum instead of working or doing homework.  

Bump. anyone? On Cummins forum instead of working or doing homework.  

My local Napa sells it by the foot, it's very common item - 1/8" vacuum hose. I pay 12¢/ft for it.  

I found all my mine okay other than the one under the driver side batter, that hooks to the cruise servo. Since it was just broken, I got some 1/8" rubber vacuum line and slid it over the factory hard plastic line, about 2" on each side of the break. Worked perfect.  

2nd gen ram cruise control servo

I just got rubber hose from napa  

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2nd gen ram cruise control servo

COMMENTS

  1. Replacement cruise control servo

    1994-1998. 2nd Gen Dodge 5.9L 12V Cummins. ... CRUISE CONTROL SYSTEM for 1997 DODGE RAM 2500 . ... One of the things my truck doesnt have is Cruise Control, which is a problem. My cruise servo seems to be toast. Looks like a section of the plastic is actually broken off.

  2. 2ND GEN DODGE RAM CRUISE CONTROL FIX

    How to video on fixing the cruise control on your 2nd gen dodge ram. This is a very common problem with the 2nd gen Dodge Rams since the plastic vacuum lines...

  3. Dodge Ram 1500 Cruise Control Servo

    Dodge Ram 1500 SERVO-Speed Control. Part Number: 53009315. Vehicle Specific. Other Name: SERVO, Speed Control; Cruise Servo, Servo. Replaces: 53008012. Fits the following Vehicles: 1994-1996 Dodge Ram 1500 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD, Regular Cab 2WD, Regular Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L.

  4. 2002 Dodge Ram 1500 Cruise Control Servo

    2002 Dodge Ram 1500 SERVO-Speed Control. Part Number: 4669979. Vehicle Specific. Other Name: SERVO Speed Control; Actuator, Cruise Servo, Servo. Fits the following 2002 Dodge Ram 1500 Submodels: Laramie Quad Cab 2WD, Laramie Quad Cab 4WD, Laramie Regular Cab 2WD, Laramie Regular Cab 4WD, Quad Cab 2WD, Quad Cab 4WD, Regular Cab 2WD, Regular Cab ...

  5. Cruise Control

    My cruise control on a 2000 Dodge Ram (5.2) will not come on. ... 2nd Gen : 1994 - 2002. General Discussion ... have you first tested to see if there is power at the cruise control servo? with the cruise control on there should be power at 1 of the wires on the cruise control servo connector. i am not 100% sure but i think most of the time when ...

  6. DIY Cruise Control High Idle

    DIY High Idle using the Stock Cruise Control Servo. First off, before being able to modify the system for high idle, we must understand what we are working with. How the cruise control servo works: Pin 4 (black) is permanently grounded. Pin 3 (blue/red) gets 12 volts from the PCM, through the brake switch when enabled. This is the main feed for ...

  7. bad cruise control

    control servo. (1) Disconnect vacuum hose at speed control servo. and install a vacuum gauge into the disconnected hose. (2) Start engine and observe gauge at idle. Vacuum. gauge should read at least ten inches of mercury. (3) If vacuum is less than ten inches of mercury, determine source of leak. Check vacuum line to.

  8. Cruise Control

    2nd Gen : 1994 - 2002. General Discussion ... does this mean that my ram is wired for cruise but it wasnt installed or do all the different models have the light in the dash, whether it has cruise or not...thanks for the replies ... do you have a cruise control servo under the hood? if not then no you do not have cruise control. the light was ...

  9. Dodge Ram 1994-2001: How to Replace Cruise Control Switch

    Step 1 - Remove the cruise control switch. Remove the two Phillips head screws that secure the cruise control switch to the steering wheel. They are located on the back side of the switch. Then carefully disconnect the electrical connector by pulling outward on its two tabs, and simultaneously pulling it off of the switch.

  10. anyone know how to test the cruise control servo

    10 posts · Joined 2003. #6 · Apr 12, 2009. I hooked up 12 volts to the pin 3 on the cruise servo and then grounded the vent and vacuum solenoids to simulate what the pcm does and it appears the vaccum solenoid is not opening consistently so I ordered a new one of ebay for $35 shipped. Hopefully that works. B. brad81987. 4877 posts · Joined 2006.

  11. Dodge Cruise Control Servo

    Dodge SERVO-Speed Control (ZEMCO) Part Number: 53008012. Vehicle Specific. Other Name: SERVO, Speed Control. Replaced by: 53009315. Fits the following Dodge Models: D150 | 1990-1993 | 3-Person Cab 2WD, 3-Person Cab 4WD, Club Cab 2WD, Club Cab 4WD | 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L.

  12. Disconnected cruise control hose

    2nd Gen : 1994 - 2002. Engine & Performance ... All I had to do was splice a new vacuum line and check valve into the main vacuum harness to run to the cruise control servo. It was less than $10 to fix! Obviously whoever replaced the engine neglected to do that. ... 19Slick69 Junior Member. Joined Jul 13, 2019 Posts 25 Reaction score 8 Location ...

  13. Dodge Ram Wiring Harness

    Choose from a variety of wiring harnesses for your Dodge Ram truck we carry different years and Dodge truck models! We have parts for Ram 1500, 2500, 3500, 5500. ... Engine Control Module #R4886929 for 1996 Dodge Ram 2500 Regular price $1,250.00 USD Regular price Sale price $1,250.00 USD Unit ...

  14. Module Master

    Get in touch with us. 2006 S Main St. Moscow, Idaho 83843. USA. Mon - Thurs, 8am - 4pm PST. (208) 892-0764. Module rebuilds for darn near everything: ABS Modules, Climate Control Modules, Instrument Clusters, Power Accessories, Powertrain modules and more.

  15. G3

    G3 - Steve Morse Band - Cruise Control (Dixie Dregs cover)05.08.2012, Crocus City Hall, Moscow, Russia

  16. Cruise control

    28001 posts · Joined 2010. #8 · May 1, 2012. If you can get the cruise control and put on your truck the wiring is easy at the unit. 1 wire hot, 1 ground, 1 accelerate, 1 decelerate. You don't need the buttons on the steering wheel only one I can use is the on off button. You can use a push button on off to shut it off.

  17. Moscow, Russia Cruise Port

    1.800.377.9383. Personal Quote. Learn about the cruise port of Moscow, Russia. Find 2024, 2025 and 2026 cruise itineraries from Moscow or view sample excursions and things to do in Moscow, Russia.

  18. Replacement vacuum lines

    1994-1998. 2nd Gen Dodge 5.9L 12V Cummins. 94-98 Non-Powertrain. ... that hooks to the cruise servo. Since it was just broken, I got some 1/8" rubber vacuum line and slid it over the factory hard plastic line, about 2" on each side of the break. ... about 2" on each side of the break. Worked perfect. 1997 Dodge Ram 2500 CC, 4x4 long bed 2004 ...