Code 43...NOOOOO

[woody31]

when u replaced your grounds,,,MAKE SURE,,,you are on,,, BARE,,,CLEAN METAL,,,NO GREASE,,NO PAINT,,MUST BE SPOTLESS,,,went thru this on a late model camaro,,,hope this helps,,,

 

[TylerZ281500]

theres grounds for the computer too

 

[fasterthanyou925]

Where are those at?


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[fasterthanyou925]

Funny enough, it just started doing the random "click" when I go to start it, turn the key back off then on and she fires right up. At this point I'm definitely thinking bad grounds.


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[TylerZ281500]

theres one by the aldl i think, one by the computer itself

 

[96Z71ECSB]

ECM grounds at the thermostat housing bolt? That's where they're at on the '94 we have.

 

[fasterthanyou925]

Yeah mine is a 95, I'll go look in a min and report back


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[fasterthanyou925]

It's fixed! Alt finally took a crap, replaced it and now no more code 43! The low voltage from the dying alt was tweaking the computer out.


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[RHamill]

Alternators can cause a lot of oddball problems due to drops in voltages to modules, I usually load test batteries the old school way with the snap on VAT and perform charging system test with GR8 before any electrical diagnosis.

 

[fasterthanyou925]

Unfortunately I needed the truck from 8am to 10pm for the past two weeks (moving) and didn't have time to bring it into my dad's shop to check her out. Oops!


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