Engine will not crank?

Tiny
BRIAN ST CLAIR
  • MEMBER
  • 2000 DODGE RAM
  • 6 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 151,000 MILES
3500 Cummings 24 valve turbo diesel. I went out to go to work turned key and truck turned over slow like drained battery, tried again nothing. Replaced battery, cleaned terminals, nothing. Jumped with friend's diesel pick up nothing, with key all lights radio heater work nothing to starter. I crawled under with screwdriver started up drove to work everything worked fine except engine light on all time after work no start. So did screwdriver started up drove home 45 miles shout off no start no clicking nothing but if I turn the key on and jump with screwdriver starts up. Replaced starter 2 months ago checked relays and fuses under hood all good.
Sunday, May 21st, 2023 AT 6:44 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Please shift the truck into neutral and try to start it, this will help test the gear range sensor. Also here is a guide to help us and I have included the starter wiring diagrams so you can test for power to see where you lose it, I would start at the ignition switch.

https://www.2carpros.com/articles/starter-not-working-repair

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Monday, May 22nd, 2023 AT 10:21 AM

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