starter turns on when battery hooked up

Asked by Guru2J2NR Mar 08, 2020 at 01:32 PM about the Toyota Tundra

Question type: Maintenance & Repair

Starter engages when battery cables are hooked up(ignition off) all relays
pulled out and still starter turns when hooked to battery.

4 Answers


Could be a bad starter solenoid or perhaps the starter was wired wrong.

Thanks for quick response. Brand new starter. On initial install this issue started. Took back out had it bench tested and all good. Back in it went and still ongoing. Relay and some fuses removed still goes when hooked up.


Did you reverse the wires to the starter?

No not possible. one is pin insert plug and play Other is a big stock end with a protection boot on it.

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