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Car wont run unless jumper cables on

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New User

Sep 1, 2017, 4:10 PM

Post #1 of 2 (377 views)
Car wont run unless jumper cables on Sign In

02 dodge ram 1500
180000 miles

Was driving and check guages came on, looked and battery guage was down to zero.

So we parked shut it off and it wouldnt start.
We jumped it and it started but soon as cables came off it died , jumped it again and gave it gas and took cables off again and as long as you had foot on gas and had the rpms up it stayed on, lights all very dim. But soon as you let off gas it dies.

Put in new altenator same thing.

Any ideas?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 1, 2017, 5:43 PM

Post #2 of 2 (366 views)
Re: Car wont run unless jumper cables on Sign In

Check for power on the main terminal of the alternator with the KEY OFF. Let us know what you find.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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