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Cruise Control--Need Help!!

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Old Dec 8, 2001 | 09:23 AM
  #1  
Harvey1113's Avatar
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Joined: Dec 2001
Posts: 22
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From: Effingham, SC, United States Of America
Car: 1983 Firebird Trans Am
Engine: 305 V8 Cross-Fire
Transmission: 700R4
Cruise Control--Need Help!!

I'm working with a 1983 Pontiac Trans Am. It has the mechanical cruise control transducer (CCT) in it.

The problem is the cruise control fails to engauge and set selected speed.

To resolve this I have tried the following:
1) replaced the CCT itself.

2) replaced the odometer cable from the CCT to the transmission.

3) verified operation of cable from CCT to speedometer gauge.

4) replaced the instrument cluster.

5) using the Helm service manual, performed service procedures and they checked okay.

6) checked to make sure vacuum switch was not operated when brake pedal is at rest.

I would appreciate any suggestions.

------------------
David
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Old Dec 8, 2001 | 10:28 AM
  #2  
RB83L69's Avatar
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Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Is this a manual trans car or auto?

------------------
"So many Mustangs, so little time..."
ICON Motorsports
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Old Dec 8, 2001 | 11:07 AM
  #3  
Harvey1113's Avatar
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Joined: Dec 2001
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From: Effingham, SC, United States Of America
Car: 1983 Firebird Trans Am
Engine: 305 V8 Cross-Fire
Transmission: 700R4
It's a CFI 305 V8 automatic with a 700R4 transmission.

------------------
David
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Old Dec 8, 2001 | 11:12 AM
  #4  
ploegi's Avatar
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Joined: Jul 1999
Posts: 1,556
Likes: 28
From: Adrian, Mi, USA
Car: 1988 Pontiac Firebird Formula
Engine: 5.7 TPI
Transmission: 700R4
Did you test the cruise switch? Those little wires do NOT last forever......
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Old Dec 8, 2001 | 11:59 AM
  #5  
Harvey1113's Avatar
Thread Starter
Junior Member
 
Joined: Dec 2001
Posts: 22
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From: Effingham, SC, United States Of America
Car: 1983 Firebird Trans Am
Engine: 305 V8 Cross-Fire
Transmission: 700R4
Yes, I have checked the wires, and they are in good order and work properly.

------------------
David
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Old Dec 19, 2001 | 09:03 AM
  #6  
Harvey1113's Avatar
Thread Starter
Junior Member
 
Joined: Dec 2001
Posts: 22
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From: Effingham, SC, United States Of America
Car: 1983 Firebird Trans Am
Engine: 305 V8 Cross-Fire
Transmission: 700R4
Any other suggestions to repair the cruise control?
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