1992 Chevy Truck starter engages even with key out

BILL_PEVETO

MEMBER
1992 CHEVROLET TRUCK
6 CYL
2WD
MANUAL
30,000 MILES

I had some work done on my vehicle and when I got it back the starter was making some bad noises, I took it out and saw the shim was bent up so I replaced it and had the starter checked out, it worked fine. Then when driving the starter engaged until I could pull over and disconnect the battery cable. The starter burned up, I replaced it with a new/rebuilt one and it's doing the same thing.I admit that when I replaced it the 1st time I forgot to disconnect the battery and the wires arched when it touched metal and sparked a couple of times. Could this be where the problem is?

3 Replies

MASTERTECHTIM

MECHANIC
4,749 POSTS

Yes. I suspect the purlpe wire going to the starter (which is the smaller wire) is melted to the positive wire somewhere or the neutral safety switch is fried or the last possibility of a bad ignition switch. To diagnose I would unplug the neutral safety switch and connect battery and see if it tries to start, if it does then the purple wire is melted to the red wire.

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Friday, November 14th, 2008 AT 3:24 PM

BILL_PEVETO

MEMBER
2 POSTS

It's a 92 chevy truck 4.3 L standard tranny. Where might I find the switch? ( I'll leave you alone after this unless some other problem arises )

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Friday, November 14th, 2008 AT 4:08 PM

MASTERTECHTIM

MECHANIC
4,749 POSTS

It cant be the neutral safetu switch if its a standard, only automatic. The neutral safaty switch is located at the base of the clutch pedal, there are 2 wires to it, purple and yellow. If you unplug the connector to the neutral switch and it still does it then the wire is melted together but if it does not do it when its unplugged then I would suspect a faulty ignition switch.

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Friday, November 14th, 2008 AT 4:44 PM