89 iroc, broken cruise control - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 5 (permalink) Old Jan 28th, 01, 07:08 AM Thread Starter
 
Join Date: Jan 2001
Location: Sandown, NH USA
Posts: 1
Question

i am a new owner of an 89 iroc with the L98 engine; this car is essentially in show condition, but the cruise control does not work. the car is totally stock and hasn't been micky-moused or hacked at all with anything aftermarket. can anyone give me any suggestions on diagnosing which component might be broken? i'm decent when it comes to electrical work and using an ohm/voltmeter, but i've no clue where to start testing. thanks in advance for any help you can offer in pointing me in a direction.
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post #2 of 5 (permalink) Old Jan 28th, 01, 09:18 AM
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Join Date: Dec 2000
Location: Monroe, WA, USA
Posts: 312
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dose it have the control's on the turn signal? if so replace the turn signal arm. it is a very common part hell motor mite has em in there "help" line, they go bad! the switch inside is a joke.. GM stil has them too they run around $50.00. that is what went wrong with mine on my blazer, and a 83 buick.
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post #3 of 5 (permalink) Old Jan 28th, 01, 04:34 PM
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Join Date: Nov 1998
Location: ohio
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I seen these with a vacuum line through the firewall to the brake pedal switch. Check this vacuum line close. Check fuse?
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post #4 of 5 (permalink) Old Jan 28th, 01, 05:18 PM
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John
 
Join Date: Jan 2000
Location: Rohnert Park, CA
Posts: 171
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Believe it or not most cruise controls are wired into the brake lights at one point or another. Something as simple as a light out to include the third brake light will render the cruise inop. Easy place to start. I know on my wife's '94 I got a ABS light and no cruise when my third brake light bulb burned out. Good luck.

John
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post #5 of 5 (permalink) Old Jan 29th, 01, 08:53 AM
 
Join Date: Jan 2001
Location: Yorktown, VA, USA
Posts: 9
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Check to make sure that it is mechanically connected to the throttle linkage. Someone might not of re-connected it after a previous repair. This would be step one.
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