Abs issues

[motormischiefandfire]

Ive been haveing some odd issues with my abs in my truck, it seems like wiring problems. I noticed first that my abs light and parking brake light would flash at random times when i was going down the road. Then my cruise would kick off wjen they flashed sometimes. Now whenever the light isnt on, my gear indicator and blower motor doesnt work either. I just tried to read the code and was able to get 23, and 37 out of it before it shut off. Any advice? Thank you.

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[AK49BWL]

Multiple different circuits having power problems indicates either bad grounds, or..... It could possibly be your ignition switch, as all the things you mentioned are on the "Hot in Run" circuit.

 

[RawbDidIt]

I'm leaning toward ground issue. Those circuits all share a common ground on the bar behind the knee bolster on the driver's side if i remember correctly.

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[east302]

This is a 95, right?

PDF versions of the service manual are here. Dig around in them, they’ll have the factory diagnostic tables for each code.

I think it’s in the third file in the list (driveability and emissions):

https://www.gmt400.com/threads/88-95-service-manuals.43575/

 

[motormischiefandfire]

Its not the ignition switch, i just replaced it and had the abs lights flickering before then. The other issues came after but not right after.

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