Question about 1991 Chevrolet C1500
The truck starts with the clutch, when the ignition is on. When you push the clutch in, the starter engages... but sounds horrible and grinds, like it's dragging. The starter is a good one & less than a year old. I changed the Clutch Safety Switch and the ignition switch on the column. Same thing, the starter engages as soon as the clutch safety switch is depressed, when the key is on.
It sounds like current is feeding into the start wire off the switch. Trace the wire from the clutch switch to the ignition switch connector. Does the wire look good? Examine closely the connector and see if you see a burnt terminal, or some broken plastic in the connector, some way for the start wire to pick up current. If you see nothing wrong, IDK, probably will need a shop to chase the wiring down and find it. I don't know if a bad starter relay (stuck on) could do that, likely not if it only happens when you depress clutch and have clutch switch on.
Posted on Dec 31, 2012
Testimonial: "With the limited information I provided, it was not the solution, but it did get me headed in the right direction... which ultimately resolved the issue for now."
Check under dash and make sure no wires are being pinched when clutch is depressed
Posted on Apr 17, 2015
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Posted on Jan 02, 2017
SOURCE: neutral safety switch
most gm nuet safety is yellow and purple .....out of ignition switch is a big yellow wire that is crank out and input to nuet saf switch......out of nuet switch is color purple that goes strieght to start selenoid.....purple wire also goes to the crank fuse 5amp.. in the fuse box under dash... this fuse goes to the pcm main computer.. same for auto and clutch
Posted on Sep 04, 2009
So we don/t get ahead of ourselves, are you positive that it is the starter you are hearing? Often times the flywheel/ring gear, can become loose due to not tightening the mounting bolts for the torque converter enough or the mounting bolts for the flywheel/ring gear itself. Both of these situations will give off a sound similar to that of a starter engaging as the engine is running. Also you'll want to check and make sure that the starter itself is not coming loose from not tightening the mounting bolts correctly. As far as a starter trying to engage on any vehicle except a ford product which utilizes an entirely different type of solenoid, I've never heard that complaint in 4 decades. Best bet is to take a good look around. I'm not saying that this cannot happen, but it would have to be contributed to a very worn or frayed harness somewhere in the starting circuit.Thank you, please let me know what you find I'm intrigued with this problem.Dana
Posted on Sep 10, 2009
check alternator output at the alt and at battery also put a test light on the starter solenoid at the little wire on solenoid see if it lights up when turn key ? possible positive or negative cables have good ohm checks but not carrying enough current ?
Posted on Jun 01, 2010
SOURCE: when i turn the ignition
What vehicle make / model / engine size are you working on. That will help to diagnose problem.
I assume your battery has power? Is your security light on or flashing in the instrument cluster with ignition on? Thanks, Mike
Posted on Jun 14, 2011
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