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The mkiv Supra Owners Club

battery voltage goes down with heat


simbasupra

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Having an issue where the battery voltage goes down if the engine has been running for a while. It then goes back up if engine turned off for a while. I'm thinking it could be a poor earth, does anybody know if it could be something to do with the earth strap that attaches to the fuel filter casing as it doesn't look great.

Edited by simbasupra (see edit history)
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