99 Trans Am Brake, ABS Inop, Service Vehicle, and Check Gauges Lights
09-05-2015, 06:41 PM
#1
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Join Date: Sep 2015
Location: York, PA
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99 Trans Am Brake, ABS Inop, Service Vehicle, and Check Gauges Lights A tree beside my 99 Trans Am recently got stuck by lightning and since then the parking break light, ABS Inop light, Service Vehicle light, and Check gauges light come one after the gauges return from flickering. I took it to my mechanic and he hooked it up to a GM tech scanner, that came up with no codes. He suggested it may be the PCM throwing codes on the output, but his scanner only reads inputs. Anyone have any clue what could be the issue and how it could be solved?
09-06-2015, 11:16 AM
#2
I used to get these intermittently all the time until I upgraded some of my grounds with 0 gauge.
I did:
1) battery to chassis
2) alternator to chassis
Edit: I also ran new positive wire and cleaned up a lot of the positive and ground connections near the fuses under the hood on the driver's side. I'm sure that helped also.
I'm no expert, it's just what I did and it worked.
I did:
1) battery to chassis
2) alternator to chassis
Edit: I also ran new positive wire and cleaned up a lot of the positive and ground connections near the fuses under the hood on the driver's side. I'm sure that helped also.
I'm no expert, it's just what I did and it worked.
Last edited by NineZeroFive; 09-06-2015 at 07:37 PM.