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Thread: Putting OEM Cruise control on my 94 C2500 Cheyenne

  1. #1
    Join Date
    Feb 2007
    Location
    Lincoln, NE USA
    Posts
    712

    Default Putting OEM Cruise control on my 94 C2500 Cheyenne

    I desperately want to put a tilt column w/cruise in my non-tilt/cruise pickup. It is a 94 C2500HD engine code "F". I can handle swapping steering columns, that's not the hard part. Drive by wire, that's the bite. Here are some of the questions I have, that depending on the answers, will dictate if trying this is feasible.

    I e-mailed Walt through SSDS's contact sheet with essentially the same questions on the 21st of Feb, and am still awaiting a response. Over the past year getting replies back from Walt has been hit and miss, evidently they don't all get through with hotmail, as I have received back only three replies to five inquiries over the past two and a half weeks, which is about the average over the past year's worth of correspondence.

    When I approached the people in the service/parts department at the local Mega GM-Mercedes-BMW dealership with this, all I got for help was a deer-in-headlights look (some of y'all know what I mean), and a "Why didn't you order your truck that way originally?" Morons! I bought it used off E-bay as a cab/chassis Cheyenne equipped with an 8' steel utility box, and was lucky to find what I needed when I did.

    So here goes:

    1. Do I have to use a column from 94 and a diesel, or would a column from this series truck (88-99) and a gasser Silverado work for wiring harness compatibility? I know physically the columns interchange. I am capable of rewiring/splicing to make harnesses work.

    2. Would this be essentially a plug-and-play install, or would I have to get other components/harnesses from a donor 94-99 diesel ie: would I have to change ECM/prom, VSS, dash harness, etc.?

    3. How would this affect, if at all, putting in a 80hp chip if I do have to make ECM/prom changes, or now have cruise on a vehicle that originally didn't?

    Since the truck is not currently running and I'm doing a heads up rebuild with performance/cooling upgrades, now is the time to do this. What's one more weekend spent working on the truck, when I can drive in a position that's comfortable for me without my foot on the go pedal for hundreds of miles (better MPG hiway) as the pay-off?

    If any of you have done this, or know how/what I need to do this, your input would be highly appreciated, and if I'm ever out your way or you're out mine, dinner's on me.

    Thanks.

    Allen
    Last edited by Husker 6.5; 02-24-2007 at 11:59 AM.

  2. #2
    Join Date
    Jun 2008
    Posts
    11

    Default Should be easy.

    You may have already done this and I'm just blowing wind and hopefully it worked.

    I used to work on factory cruises a long time ago. I haven't worked with diesels before for cruises. I do know most of the factory cruises required vacuum. As for the steering column, all the ones I dealt with have a plug that comes from the turn signal. I don't think the whole column would need to be replaced, just the switch. Most of the trucks were made to add factory cruise after the fact so as long as you get all the pieces, it should go in easy.

    Good luck.

  3. #3
    Join Date
    Feb 2007
    Location
    Baja California Sur Mexico
    Posts
    2,804

    Default

    The good thing is 94 on have the cruise controlled by the ECM, so it is probably only a plug in situation, you need to locate a wiring diagram, there was one posted a few days ago, it may be of use, look for "day time lights elimination" it could have something in the diagram.
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban "F" VIN #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  4. #4
    Join Date
    Feb 2007
    Location
    Lincoln, NE USA
    Posts
    712

    Default

    Quote Originally Posted by Packrider View Post
    You may have already done this and I'm just blowing wind and hopefully it worked.

    I used to work on factory cruises a long time ago. I haven't worked with diesels before for cruises. I do know most of the factory cruises required vacuum. As for the steering column, all the ones I dealt with have a plug that comes from the turn signal. I don't think the whole column would need to be replaced, just the switch. Most of the trucks were made to add factory cruise after the fact so as long as you get all the pieces, it should go in easy.

    Good luck.
    Nope, haven't done it , yet. Other projects call. SCREAMINXL sent me a diagram, as long as certain positions of the dash harness steering column plug have pins in them, then I can just drop a tilt column from a Silverado in and plug in the cruise-t/s-wiper combo plug and go.

    Thanks any way to both of you for your help.

    Husker 6.5

  5. #5
    Join Date
    Sep 2007
    Location
    CT
    Posts
    227

    Default

    I know a guy that added cruise to his, it was just a matter of changing the signal arm and plugging new one in... I believe his was a 95, but that would be same anyway.....
    1994 Silverado 3500, 4X4,("F" Engine code) 8' minute mount,160 amp alternator, modified SS Diesel intake with S&B filter, American Racing Diamondbacks,265/75/16/E General Grabber AT2's,Turbomaster, Delphi Lift Pump, 60G glow Plugs, Manual Glow Plug Override,D-tech PMD mounted in bumper, Stanadyne performance formula additive (19 MPG Highway) 172,500 K miles so far....

  6. #6
    Join Date
    Feb 2007
    Location
    Lincoln, NE USA
    Posts
    712

    Default

    Quote Originally Posted by 94K30 View Post
    I know a guy that added cruise to his, it was just a matter of changing the signal arm and plugging new one in... I believe his was a 95, but that would be same anyway.....
    Ahh, but if you read my original post, my Cheyenne is a plain-Jane cab and chassis, and I want a tilt column as well as cruise. The straight column just doesn't fit me right, so a column transplant and a plug in. I haven't checked the underdash plug yet, will contort myself under there when I finally do decide to begin the project.

    Husker 6.5

  7. #7
    Join Date
    Jun 2008
    Posts
    11

    Default Soooooo its about the tilt

    So it's all about the TILT. This has nothing to do with the cruise. That's just a bonus. Now isnt it? I do see what you mean about a tilt though. I don't know if I could use one without it. Good luck.

  8. #8
    Join Date
    Feb 2007
    Location
    Lincoln, NE USA
    Posts
    712

    Default

    Quote Originally Posted by Packrider View Post
    So it's all about the TILT. This has nothing to do with the cruise. That's just a bonus. Now isnt it? I do see what you mean about a tilt though. I don't know if I could use one without it. Good luck.
    Actually, it's about both at once. Upgrading a utility Cheyenne into a more comfortable Silverado and adding the convenience and better highway MPG of a cruise.

    Husker 6.5

  9. #9

    Default

    While i have not done what you are talking about exactly, all of those trucks are set up to accept whatever options that are going to be added. I don't see much of a problem with the column upgrade, i'd recommend going to a junk yard and scrounging off all of the cruise components off of a diesel truck. I'm not 100% but i think that the gas trucks used a vacuum actuator to control the throttle, while a diesel is going to have different linkage and an electric actuator to control the injector pump. I can get you the diagrams to the column from the cheyenne to the silverado, and the cruse wiring. I'll put it up on monday when i get back to work.
    '99 C3500 Ex-Prisoner Transport Vehicle. 6.5 4L80E. SSDiesel Pump and Heat Sink with #9 resistor.

  10. #10

    Default

    This first one is the diagram for a '94 C2500 p-up with a 6.5

    These two are for a '95 c2500 gas truck

    Hope it helps
    '99 C3500 Ex-Prisoner Transport Vehicle. 6.5 4L80E. SSDiesel Pump and Heat Sink with #9 resistor.

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