1996 Chevy Camaro Car will not start

HKATEAM

MEMBER
1996 CHEVROLET CAMARO

Computer problem
1996 Chevy Camaro 6 cyl Two Wheel Drive Automatic

My car will not run unless I keep my scan tool hooked up. I have replaced the computer and problem remains.

Wednesday, February 18th, 2009 AT 6:19 PM

6 Replies

MASTERTECHTIM

MECHANIC
4,750 POSTS

The ground for the ecm is broken. Its usually on the thermostat housing or close by. Look for a small brown wire or black wire and lightly tug on it and see if it seperates. It runs with the scanner hooked up because its getting a back feed through the scanner.

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Saturday, August 17th, 2019 AT 4:56 PM

HKATEAM

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10 POSTS

Thank you, will work on it.

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Saturday, August 17th, 2019 AT 4:56 PM

HKATEAM

MEMBER
10 POSTS

All connections seem to be good. I have found out that if I move the brown wire right at the pcm ( the front bank of the pcm) the fuel pump kicks on. (I turned on the ignition key to help me find the bad connection.) I also read in my book (haynes repair manual) that the brown wire is the power to the pcm and the ground is black/white. I am not sure what to do next. Do I need to replace the entire harness?

BTW thank you so much mastertechtim, I feel I am alot close than I was.

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Saturday, August 17th, 2019 AT 4:56 PM

MASTERTECHTIM

MECHANIC
4,750 POSTS

No. Try adding a ground right to the b lack and white wire and see if it runs

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Saturday, August 17th, 2019 AT 4:56 PM

HKATEAM

MEMBER
10 POSTS

YES YES YES it worked. FIrst time in 4 months the car has stayed running for more than 3 minutes.

I drove it up the road a ways and it seems to be running great.

THANK YOU THANK YOU THANK YOU.