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Re:Yet another no bus

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2 years 11 months ago #49152 by Will209
Yet another no bus was created by Will209
For 2 weeks ago I came home from the dentist turned off the truck and went inside came out 3 hours later and went started but it would crank no start no bus just waiting no odometer it's a 99 Dodge Dakota 3.9 manual transmission replace the crank sensor and getting the 5 volt reference out of the PCM I don't hear my fuel pump prime what should I do I can't fix it I have also checked all fuses and relays
 

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2 years 11 months ago #49153 by Ben
Replied by Ben on topic Re:Yet another no bus
Is it intermittent or constant? My experience is this normally boils down to a bad PCM . If it's constant the test to confirm is easier check for relay control at auto shutdown relay and at pcm if missing relay control verify powers and grounds . If relay control is working check autoshutdown relay and wiring (if fuel pump isn't running there's no point in checking the return side to pcm unless it's intermittent

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2 years 11 months ago - 2 years 11 months ago #49181 by scott.hanson
Replied by scott.hanson on topic Re:Yet another no bus
Can somebody treat me like a newbie because I Am and explain to me what pins need how many volts at the the PCM connector also what are the rely type that should be on there and a easy way to test them,  someone looked at it the other day and switched then around without me knowing and I don't know which ones go where
Last edit: 2 years 11 months ago by scott.hanson.

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2 years 11 months ago #49185 by Will209
Replied by Will209 on topic Re:Yet another no bus
And I don't know if this is important or not but the day that I drove home from the dentist it was hard to get it into first and second gear like extremely hard even with the clutch all the way pushed in

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