78 Dodge truck ignition module problem
#2697589
09/14/19 07:58 PM
09/14/19 07:58 PM
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Joined: Jan 2004
Posts: 1,230 Pittsburgh, PA
wayfarer1
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Found an issue with my dad's 78 Lil red express today. What could have caused it to melt?
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: topside]
#2697605
09/14/19 08:56 PM
09/14/19 08:56 PM
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Joined: Jan 2004
Posts: 1,230 Pittsburgh, PA
wayfarer1
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Thanks. We are going to get a new module and see what happens. The voltage regulator was replaced 8 years ago and it did the same thing. It was original to the truck as well.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697701
09/15/19 10:08 AM
09/15/19 10:08 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
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& confirm that it is grounded well
live every 24 hour block of time like it's your last day on earth
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Re: 78 Dodge truck ignition module problem
[Re: RapidRobert]
#2697719
09/15/19 11:09 AM
09/15/19 11:09 AM
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Posts: 1,230 Pittsburgh, PA
wayfarer1
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Good point. We will check the ground as well. I can't seem to find the exact module for the truck. All I can find is the older style.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697723
09/15/19 11:13 AM
09/15/19 11:13 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
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Do you have a yard close by?
live every 24 hour block of time like it's your last day on earth
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697725
09/15/19 11:17 AM
09/15/19 11:17 AM
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Joined: Jan 2004
Posts: 1,230 Pittsburgh, PA
wayfarer1
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Does anyone know where to get the newer style ignition module?
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: Y3 70 BEE]
#2697784
09/15/19 03:10 PM
09/15/19 03:10 PM
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Joined: May 2019
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Sniper
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That is not the ECU in your pic it is the EGR module. Good eye, for the record the ignition control module has a 5 pin connector that looks sort of like a pentastar. As for finding the EGR module, good luck. If you can find a PN on it you might be able to google that.
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Re: 78 Dodge truck ignition module problem
[Re: Sniper]
#2697803
09/15/19 04:13 PM
09/15/19 04:13 PM
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Joined: Jan 2004
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wayfarer1
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What do you mean by EGR module? If it is something to do with emissions, then that is impossible as the truck is a 78 Lil Red Express and has absolutely no emissions on it. The module you showed is nowhere on his truck and never had been.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697810
09/15/19 04:37 PM
09/15/19 04:37 PM
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I found an EGR module on eBay and it is orange and the part number doesn't match our part.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697815
09/15/19 05:01 PM
09/15/19 05:01 PM
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Joined: Jan 2004
Posts: 1,230 Pittsburgh, PA
wayfarer1
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Ok I am wrong. I found the ignition module under the ballast resistor and it is new. I admit when I am wrong, sorry for the confusion. I still don't know why this truck would have an EGR module on it.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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Re: 78 Dodge truck ignition module problem
[Re: wayfarer1]
#2697829
09/15/19 06:36 PM
09/15/19 06:36 PM
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Joined: May 2019
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Sniper
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there are multiple versions out there. Not all of them are orange, nor do they all have the same PN. Here's a partial listing of some.
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Re: 78 Dodge truck ignition module problem
[Re: Sniper]
#2697836
09/15/19 06:58 PM
09/15/19 06:58 PM
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Joined: Jan 2004
Posts: 1,230 Pittsburgh, PA
wayfarer1
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Thanks for the info. He has the part number we need but I am not paying $55.00 for a used, untested electrical part.
Current Project: 72 Roadrunner 340/727/Petty Blue/White Roof Strobe Stripe/Black Bucket Interior
71 Demon project
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