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Dodge Repair/1986 d350 wont start

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Question
I HAVE A 1986 DODGE ONE TON PICK-UP. IT WONT START HAVE NO SPARK I HAVE REPLACED MODULE ,COIL ,PICK-UP COIL AND BALLAST . WHEN I CHECK FOR POWER AT COIL I HAVE 12 VOLTS ON POSITIVE BUT NOT ON NEGATIVE .IF I UNPLUG MODULE I HAVE POWER ON NEG. I HAVE CHECKED THE WIRES AND FOUND NO BROKEN OR SHORTED WIRES CAN U HELP ME THANKS

Answer
Hi Randy,
I don't have manuals that go back to '86 for trucks. Can you tell me the size (L) of the engine? The term "module" is unclear to me, does it have another name?, and similarly the "ballast". What sort of distributor rotation position sensor does it have?
It would help if you could get a fault code readout. Try turning the ignition switch "on-off-on-off-on and leave on" doing that in 5 seconds or less elapsed time. Then watch the check engine light which remains "on" to see if it begins to flash, pause, flash, etc. If so, count the number of flashes before each pause. Then repeat the process to be sure of an accurate set of flash counts. Let me know and we'll go from there.
Roland

Dodge Repair

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Roland Finston

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Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question or asleep overnight so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top expert" from 2010-2015 here at AllExperts, and have answered 20,000+ questions.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014, and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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