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’86 cruse control questions?
Posted 28 March 2005 - 11:07 AM
Posted 28 March 2005 - 11:20 AM
push in button is set/coast
roll back for turning it off
the control box is located somewhere above and behind the hood release lever
that type of cruise was done as a dealer add-on, so you should be able to seperate the wiring harness for it *relatively* easily - I want to find a wiring diagram for it myself (for troubleshooting reasons)
of note - it has an extra yellow wire that goes to the ig. coil
Posted 28 March 2005 - 11:51 AM
Posted 28 March 2005 - 04:51 PM
double-check by seeing which movement causes it to accelerate - same switch, so it should do same thing for on/accel or set/coast
I have an orig. buyer's guide from 1985 that has a beautiful pic of the control I can scan and email you (PM me - I would not be able to scan it till the weekend) - I would send a pic of mine, but it has rubbed off too! - gotta love that feature
I assume you don't have digidash in the car? if so, then the digidash cruise system is COMPLETELY different, and if you have cruise on your turn signal, somebody has definately screwed with something
Posted 28 March 2005 - 05:11 PM
That’s the shape of my switch, are the functions the same.
Posted 28 March 2005 - 05:22 PM
I think all dealer add-on cruise control systems are pretty much identical - not all have the same control setup, but I have seen the difft control modules from difft years, and they look identical (I have one off a 1988 I am keeping as a spare), as well as the wiring harnesses - the only difference seems to be the control button placement/setup - some DL's seem to have them where the electronic mirror controls go on other models
Posted 28 March 2005 - 05:31 PM
I plan on using dash mounted switches (dont wanna change the wheel), anybody have the dash mounted "DL" switchs, Maybe a pic? I was just gonna go with a momentary rocker and a push button.
Posted 28 March 2005 - 08:46 PM
His website appears to be down, here is all his other contact info:
Hal's Parts and Service, Inc. 3787 Hwy. 21-221 North
Sparta, N.C. 28675
Posted 14 October 2007 - 03:03 PM
Long story short, it has full power + the cruise control on the end of the turn signal lever that you've been discussing. I have not been able to get that thing to work. I finally found the CC brain above the hood release (in fact, it uses the hood release mounting screws ). There sure are a lot of wires to the brain.
I'd be very interested in obtaining the wiring diagram for this unit. I think the problem is electrical, because I can apply vacuum to the rubber tube coming off the little black round thingy on the passenger side shock tower, and the engine immediately roars. So the tubing and the vac solenoid attached to the accelerator is OK.
Does that yellow wire attached to the coil, go on the negative or positive side? That may be my problem. Also, is there any light to indicate that the unit is 'on'? I've looked through several posts that mention a light when the unit is on, but I think they are newer cars. If there's no light, how do you know if the thing's on? If there is a light, where is it?
I was able to get a wiring diagram of an '87 CC fom the local dealer's FSM. However, it is completely different....has its own vac pump & a couiple of relays that I haven't found on mine. If anyone needs that diagram, let me know.
After reading through 11 pages in the 'cruise control' link, this is the first discussion I've found specific to the '86 CC with the control on the end of the turn signal lever. I like to find out more about the operation, controls, & (especially) troubleshooting. Anyone else have an '85 or '86 with the control on the turn signal lever? What problems have you had & how were they resolved??
Posted 15 October 2007 - 02:40 AM
Frankly it might be easier to install an aftermarket CC kit and just use the existing dealer add-on stalk. At least that way you would have detailed wireing diagrams.
Posted 15 October 2007 - 04:21 PM
A couple of other thoughts & questions:
1. What's the difference between a CC for an MT and a CC for an AT?? Seems to me (and I'm really stretching this one and revealing my ignorance) that the only difference would be the additional switch for the clutch (to kill the CC when the clutch is depressed). Although I replaced the AT with an MT, I found an additional white 2 prong plug in the wiring harness, near the clutch pedal. It is the exact size & shape for a clutch switch (which I have, but have not yet installed). I found a thread somewhere that stated the 'brain' above the hood release handle had one color of tape or paint on it for AT, and another color paint or tape for an MT. Any confirmation on that, and does it apply to the '86, specifiacally. What were the colors & which trans did each apply to??
2. For the clutch & brake switches: they should be hot all the time, except when the brake and/or clutch is depressed....right? If that's so, then if a jumper wire were to be installed in each of the 2 plugs in the wiring harness, instead of plugging them into the clutch & brake switches, the cruise would work, but not shut off when either brake or clutch was pressed....right?? I may try this just as an experiment & be ready to turn the key off to kill the system. .............Or are these 2 circuits supposed to be off all the time and activated (closed) when the clutch/brake is depressed. I tested the brake switch & got continuity on my multimeter when the brake pedal was depressed. If this is true, then removing the plugs from the brake & clutch switches would make the cruise work all the time no matter which pedal was pressed....right?
3. If the clutch & brake switches check out...either makes or breaks the circuit when pressed, and the vacuum to the accelerator works, what tests can be run on the rest of the system? Should one of the pins in the plug that conects to the end of the turn signal lever be hot all the time?? Which one(s)??
If I pull the 'brain' down from its post above the hood release handle and pull the long flat plug out of it, what electrical tests can I run from there?/ One of those wires has got to be hot all the time the engine's running. Which wire might that be??
GD, if you have any of this info.......or if anyone else does.......it would be greatly appreciated.......And I'd still like an '86 FSM CC vacuum/wiring diagram & troubleshooting chart.......thanks in advance........
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