92 silverado 7.4 liter manual trans wont turn over

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stevep
Posts: 18
Joined: Wed Feb 11, 2015 8:44 pm

92 silverado 7.4 liter manual trans wont turn over

Unread post by stevep » Wed Nov 02, 2016 7:29 pm

It wont turn over. Replaced the Starter and the safety switch under the clutch pedal. No Joy. Battery has 12.65 V at rest and cables are clean and shiny. Used the 200 Amp start setting on my Battery charger. No effect. It will Bump start in a heartbeat.

Is there another relay in that circuit or could it be the ignition switch itself? Truck has abut 150 K on it.
You ve helped me before and here I am again...
Thanks

 

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carriedi
Posts: 2280
Joined: Wed Apr 10, 2013 12:42 pm
Location: Oregon

Re: 92 silverado 7.4 liter manual trans wont turn over

Unread post by carriedi » Thu Nov 03, 2016 12:26 am

check the yellow wire coming from your ignition switch. You could also check it at the clutch switch. then it goes to the starter solenoid.

Just follow the wiring diagram. power from the ignition switch to the starter. The black fusible link from the junction block powers the two red wires to the ignition switch.
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