78 bronco

1978 FORD BRONCO
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78 BRONCO
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i have an old 1978 ford bronco. i have been having problems lately with it starting.I have replaced the battery several times and within the last month or two i have replaced the solenoid, starter, and voltage regulator. I still cant get it to start. ALl it does is make a small grinding sound. I tried jumping from the battery to the starter ground post and it started to turn but wouldnt completely turn over. I tthen had the starter tested and it passed.so i kinda think maybe i have the solenoid wired incorrectly but i am not sure can you help with this wiring diagram?

78000 mile on a 400 engine
Jul 2, 2007 at 1:25 PM
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MERLIN2021
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On the solinoid you should have 3 different sized terminals. The harness has 3 different sized wires, unless it's been modified, you can only hook it up one way! put a wrench on the crank and see if you can turn it!
Jul 3, 2007 at 5:07 PM