LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Bad ABS issue....

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Old Jul 15, 2005 | 07:40 PM
  #1  
CreatiVe2's Avatar
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From: Philly, Pa
Bad ABS issue....

Sorry for the repost, but i need help on this issue =-\

So i was working on my car today, i installed Larger Gauge Battery Power and engine ground wires, and when i was done i backed it off the ramps, and realized my "ABS INOP" light was on so i put my parking brake on and the "LOW TRAC" light would just blink... at that point i though "Wtf?" looked under the hood, and heard the ABS unit was firing on and off few times every second.

when the brake is applied with the parking brake the LOW TRAC light goes off and obviously the ABS solinoid stops, i think this is because the unit is still detecting the REAR brakes being locked. and when pedal is pushed and are all applied it detects nothing abnormal.

but, the entire time the ABS INOP light does stay on. any ideas?
Old Jul 15, 2005 | 09:58 PM
  #2  
Dave89IROC's Avatar
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Joined: Aug 2002
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From: Melvindale, MI, US
Re: Bad ABS issue....

Originally Posted by CreatiVe2
Sorry for the repost, but i need help on this issue =-\

So i was working on my car today, i installed Larger Gauge Battery Power and engine ground wires, and when i was done i backed it off the ramps, and realized my "ABS INOP" light was on so i put my parking brake on and the "LOW TRAC" light would just blink... at that point i though "Wtf?" looked under the hood, and heard the ABS unit was firing on and off few times every second.

when the brake is applied with the parking brake the LOW TRAC light goes off and obviously the ABS solinoid stops, i think this is because the unit is still detecting the REAR brakes being locked. and when pedal is pushed and are all applied it detects nothing abnormal.

but, the entire time the ABS INOP light does stay on. any ideas?
check all the wiring for the front wheel speed sensors, did you route any wiring around/near them?
Old Jul 15, 2005 | 10:12 PM
  #3  
CreatiVe2's Avatar
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Joined: Dec 2004
Posts: 827
From: Philly, Pa
Re: Bad ABS issue....

i just routed the 1/0 gauge ground and power to the stock locations, i DID pull the stock wires all the way through to the starter, maybe the ABS sensor wire got snagged, ill have to look tomorrow. thx for the idea
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