So I'm stupid haha turns out the lighting bolt isn't for the alternator it's the ETC failure light. So I'm sure it just needs the coolant temp sensor replaced and that will solve the problem.
So I checked the tipm and the ecu it looks pretty good. I cleaned the power to the tipm from the battery no change. The factory repair manual doesn't give me much insite into what is going on either.
So I've got this 04 hemi and it's got a bizzare issue. Alternator light comes on randomly and when it comes on the temperature gauge stops working. You can turn the truck off and back on and it will go back to normal. I cleaned the block ground and the ecm ground on the firewall with no...
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