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No power to fuses

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Old 06-11-2023, 01:00 PM
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Default No power to fuses

Hey all, my 03 1500 with the 5.7 has no power to fuses 32 through 38. No speedo, abs and brake lights are on, no ac, no cruise control, airbag light is on. I've checked the connections at the bottom of the IPM and cleaned any corrosion I found, no dice. Any ideas?
 
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Old 06-11-2023, 01:28 PM
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Looks like most of those are powered from the ignition switch.
 
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Old 06-11-2023, 01:34 PM
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Originally Posted by HeyYou
Looks like most of those are powered from the ignition switch.
True, I didn't even consider the ignition switch. Any ideas on where I should start checking?
 
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Old 06-11-2023, 01:52 PM
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You can find wiring diagrams for your truck here. Yes, it's a russian site, but, I have been using it for a couple years without issue. See which wire from the ignition switch is supposed to be powering those fuse, and see if there actually is any power on the terminal of the switch.
 
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Old 06-11-2023, 02:46 PM
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Originally Posted by HeyYou
You can find wiring diagrams for your truck here. Yes, it's a russian site, but, I have been using it for a couple years without issue. See which wire from the ignition switch is supposed to be powering those fuse, and see if there actually is any power on the terminal of the switch.
Oh lord there's a lot here haha. I'll give it a look through, thank you
 
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Old 06-11-2023, 05:15 PM
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Look in the power distribution section, I think it was sheet 3 that had those fuses.
 



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