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1996 Chevy Camaro P1351

Tiny
WILLL
  • MEMBER
  • 1996 CHEVROLET CAMARO
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I have a 1996 Camaro 5.7 LT1. I have the trouble code p1351 Ignition control circuit high voltage. I have replaced the ICM, Distributor, Alternator and Opti spark wiring harness. I have replaced everything short of the entire wiring harness from the VCM. Any suggestions?
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Monday, November 8th, 2010 AT 8:16 PM

8 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Measure voltage from ICM terminal "B" and ground is it between 1-4V?


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_705.jpg

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Tuesday, November 9th, 2010 AT 2:51 PM
Tiny
WILLL
  • MEMBER
  • 5 POSTS
Hey can u send me the direct link to that schismatic so I can enlarge it and save it for future reference.
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Tuesday, November 9th, 2010 AT 3:23 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Nope but you can go to Repair Manuals on this site and get entire manual from Mitchell on Demand @ $10
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Wednesday, November 10th, 2010 AT 9:46 AM
Tiny
WILLL
  • MEMBER
  • 5 POSTS
I got a weird reading of -0.12 on the meter disclosed in photo


https://www.2carpros.com/forum/automotive_pictures/590619_111010121356_1.jpg


https://www.2carpros.com/forum/automotive_pictures/590619_111010121222_1.jpg



https://www.2carpros.com/forum/automotive_pictures/590619_111010121337_1.jpg



if i am at a wrong setting or on the wrong connectors please let me know. Key is in On position.
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Wednesday, November 10th, 2010 AT 2:38 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Meter needs to be on 20 scale DCV
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Wednesday, November 10th, 2010 AT 2:42 PM
Tiny
WILLL
  • MEMBER
  • 5 POSTS


https://www.2carpros.com/forum/automotive_pictures/590619_111010132914_1.jpg


and this number jumped around from -.35 to -.29
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Wednesday, November 10th, 2010 AT 5:12 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check from B to engine bolck if voltage then ground C black mis faulty
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Thursday, November 11th, 2010 AT 11:41 AM
Tiny
WILLL
  • MEMBER
  • 5 POSTS
@ Docfixit I sent my car to a shop to test the electrical for me and they told me that I needed to reprogram my PCM or something was wrong with my pcm and I needed to take it directly to Chevy for service.
Do you have any friends in California I can take this car to personally? This Vehicle is not a regular Camaro. I got this car from a retired Lt. From the highway patrol in Oregon and this car has many Chevy Add-on's I do not trust with just anybody.
I took the car to Pontiac/Chevy dealer when I threw my timing chain and they told me I threw a piston and I had a hole in my piston. I took the car home and fixed the timing chain myself. Same motor is in it now. You can see why I Try not to take my car to shops because I just get screwed for money I do not have.
She runs so great. I replaced ignition control module, distributor, opti wiring harness, coil, crank sensor, alternator, everything with ignition short of the PCM and the entire motor harness from the PCM.
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Tuesday, November 16th, 2010 AT 5:18 AM

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