ECM power supply lost with ignition turned on...
02-16-2018, (Subject: ECM power supply lost with ignition turned on... ) 
Post: #10
RE: ECM power supply lost with ignition turned on...
I've got the same issue with my prostar. I replaced all 4 batteries, cables, cleaned every single ground and changed the big fuses on the firewall. Did a bunch if other crap and posted on here trying to solve this issue but no luck!

Let me know if you figure this out cause I just gave up and parked the truck months ago and have been running another one. Haven't had time to play around with it.

Look up my profile and search my threads and you'll find alot of helpful ideas to check.


User's Signature: I'm no mechanic, I'm just a guy that breaks down enough to know a bit.
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Messages In This Thread
RE: ECM power supply lost with ignition turned on... - Brock - 02-16-2018



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