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1995 Tacoma trying to start when key removed


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oldgeezer
Novice

Feb 13, 2010, 4:06 PM

Post #1 of 3 (1782 views)
1995 Tacoma trying to start when key removed Sign In

1995 Toyota Tacoma 4WD 2.7 liter 4 cylinder 45000 miles

When I started up it made a thrashing sound, so turned it off and removed the key, but still it kept turning the motor over. Had to disconnect battery to get it to stop. Bench checked the starter relay (located near the battery) with a power supply and ohmmeter and seemed to respond to voltage, and the contacts disconnected OK when the voltage was removed.

So what is the best thing to do next?? Is the starter solenoid replacable, i.e., separately from the starter motor? What is a good procedure to use?


nickwarner
Veteran / Moderator
nickwarner profile image

Feb 13, 2010, 6:31 PM

Post #2 of 3 (1775 views)
Re: 1995 Tacoma trying to start when key removed Sign In

If you have a separate magnetic switch, even if your starter solenoid was bad it couldn't cause this. It can't do anything without power from the mag switch. Your ignition switch in the column could cause this, but so could that magnetic switch. I know it bench tested ok, but thats not a sure thing. Test it under load. Have someone turn the key while you stand next to the battery with terminals loose so you can pop it off fast if needed. If it does it, try putting a test light into the signal wire triggering the switch. Have someone cycle the key multiple times to see if it keeps power when it shouldn't. You should only have 12v at the switch trigger wire when the key is in the start position.


oldgeezer
Novice

Feb 13, 2010, 6:54 PM

Post #3 of 3 (1773 views)
Re: 1995 Tacoma trying to start when key removed Sign In

OK, will check out what you suggested. I can measure the voltage at the magnetic relay when the key is off. Thanks

PS> I may have also damaged the starter motor because it took me a long time to find a wrench to remove the battery terminal, and it was a new battery, so the engine cranked for quite a while. Also will check that relay voltage responds properly when key is exercised several times.


(This post was edited by oldgeezer on Feb 15, 2010, 9:18 AM)






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