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JPVortex replied to the thread Bad running after manual swap.Mines a gasser sadly, thank you though! -
JPVortex replied to the thread Bad running after manual swap.The scan tool he's using is an advanced Snap On one, with the proper GM ALDL connector adapter.
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JPVortex replied to the thread Bad running after manual swap.Yeah time will tell on that, people online other places do say they're practically the same thing though.
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JPVortex replied to the thread Bad running after manual swap.Also the ECM I got is a 16197427, should work based off our earlier conversations. Hopefully it is compatible with my existing PROM.
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JPVortex replied to the thread Bad running after manual swap.I decided to let him put in the used ECM I picked up from the junkyard. Just came back from the shop. There is power at the ALDL...
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JPVortex replied to the thread Bad running after manual swap.Think I may pull the truck out of this shop and continue self diagnoses, replacing grounds etc
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JPVortex replied to the thread Bad running after manual swap.I don’t think the connector is deformed at all, I never bent the pins, just slight pressure so the paper clip would stay. My local...
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JPVortex replied to the thread Bad running after manual swap.So another update, shop is still having a hard time. They’re trying to get my ECM connected to a scan tool, and the ECM seems to not...
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JPVortex replied to the thread Bad running after manual swap.Wow that’s quite the story! I bet that guy was happy. Really does show how important grounds are lol. I’m giving the mechanic with...
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JPVortex replied to the thread Bad running after manual swap.Kind of sounds like it lol, Every time I’ve ever had a vehicle in the shop(almost never now because I do the work myself) Ive had...
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JPVortex replied to the thread Bad running after manual swap.Definitely am going to fix that up. Already did some looking at the FSM within the last week, that’s how I came to find out I was...
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JPVortex replied to the thread Bad running after manual swap.Ok so yeah I’m definitely missing a couple grounds. I do have the small ground wire on the fender, that’s the one that was loose that...
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JPVortex replied to the thread Bad running after manual swap.Ok thanks for clearing that up about the ECU. And yeah I can rule out the ICM itself, issue started with old dizzy, replaced the...
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JPVortex replied to the thread Bad running after manual swap.Yeah the timing connector under the dash does go to the ECU. Can confirm it still does it with that unplugged, was still happening when...
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JPVortex replied to the thread Bad running after manual swap.@1998_K1500_Sub do you think there’s any chance a bad PCM could be causing my problems? I’m just starting to second guess the wiring...
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