North American Turbocoupe Organization



Cruise Control Help
redvipertech Offline
Junior Member
#1
Had a problem with the Master cylinder not allowing the antilock to clear on start up. after replacing the master cylinder the cruise will not work now. Thought it may have been the cruise module under the dash by the firewall so that has been replaced and having the same problem. Looking for a wiring diagram if anyone was it for the 88 thunderbird turbo.
Redvipertech
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Pete D Offline
Administrator
#2
I got ABS scans but no CC scans. Which do you want?

You might find them at http://www.gt350r.stangnet.com

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NATO Member. it's not a vice, it's an obsession
"The nice thing about each new day is nobody ever used it before" Barnaby Jones
88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS. Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.

[This message has been edited by Pete D (edited 04-22-2002).]
Pete Dunham


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redvipertech Offline
Junior Member
#3
The cruise control. This all started when the master cylinder was replaced.
Redvipertech
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segfaultxr7 Offline
Posting Freak
#4
I'm not sure if this applies to the TC but it probably does. On my 93 Cougar, way up under the dash there is a bracket near the brake pedal arm which holds a valve connected to a vacuum line. There is a flange sticking off of the pedal arm; when the brake pedal is up, it presses the button. When you hit the brakes, the arm moves out from under the button, releasing it and dumping the CC module's vacuum which shuts it off. I had the master cylinder replaced on that car and the CC quit working. Turned out that the valve got pushed out of the bracket a little, so the button wasn't pressed in when the brake pedal was all the way up. I just stuck it back in and it was fixed.

Hope this helps!
88 TC 5-speed
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redvipertech Offline
Junior Member
#5
Thanks will give that a try tomorrow and let you know if it fixes it.
Redvipertech
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redvipertech Offline
Junior Member
#6
The vacuum switch had indeed come out of the bracket. pushed it back in and adjusted and cruise working like a champ. But what a pain in the butt to get at. Thanks for the help.
Redvipertech
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segfaultxr7 Offline
Posting Freak
#7
Excellent! Isn't it great when it's such a simple fix? [Image: smile.gif]
88 TC 5-speed
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redvipertech Offline
Junior Member
#8
Yes i have a 1988 that i got 10 years ago with a blown engine. I rebuilt the engine stock at 27,000 miles it now has 198,000 and i drive it 3 times a week to work 160 mile each day round trip. Still runs great. Have complete spare engine totlay rebuilt and spare turbo to put in when this motor ever decides to die. The new engine has 10.5:1 dome pistons with billet rods. it is running the Mustang SVO cam and the new turbo has mis matched wheels 22psi exhaust with 17.5 psi intake pressure. It dyno's at 360 hp when built. Looking forward to running it once the old girl gives up on me.
Redvipertech
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