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multiple sudden electrical issues

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Old 30 Sep 2014, 07:43 pm
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Default multiple sudden electrical issues

2003 PT Cruiser 101K miles automatic transmission
Sudden loss of multiple electrical systems
has had the fog light issue for some time but all of a sudden we have lost power mirrors power locks and interior lights vehicle has had starting issues battery is good fuses are good the puzzling part is gauge cluster flashes no fuse but fuse is good where do I start looking what do I need to replace
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Old 30 Sep 2014, 07:45 pm
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Default Re: multiple sudden electrical issues
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Old 30 Sep 2014, 10:04 pm
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Default Re: multiple sudden electrical issues

Look at the wiring going to the fuse blocks by driver's knee, and one under the hood by battery....
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Old 30 Sep 2014, 10:11 pm
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Default Re: multiple sudden electrical issues

Check fuse #18 (20 amp) in the under-hood PDC. It protects RKE door locks, power mirrors, instrument cluster, dome, overhead console, visor mirror lights, cargo lamp and radio.
Dash fuse block #13 (10 amp) also protects these circuits.

"No Fuse" is flashing because the instrument cluster is not getting circuit M1 power through PDC fuse 18 and dash fuse 13.
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Old 03 Oct 2014, 05:25 pm
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Default Re: multiple sudden electrical issues

Most times electrical issues like you describe are because of a low or failing battery. When the PCM senses low power it starts sacrificing power to many second line systems in order to keep the car running. Take another hard look at the battery. Even if it's a fresh battery, that doesn't mean it isn't bad. Your problem could be something else but that's where I would focus first.
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Old 04 Oct 2014, 02:38 pm
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Default Re: multiple sudden electrical issues

I would suggest that if you have a volt meter check the voltage of the battery. It should be around 12 volts engine not running and 14 to 14.5 volts running.
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Old 21 Mar 2015, 01:08 pm
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Default Re: multiple sudden electrical issues

IOD fuse under hood in the PCM box next to the air cleaner slightly behind...20 amp fuse in special black plastic hinged door...flip the plastic lid up that is over the fuse... and the 20 amp std IOD fuse is there...replace it...likely all will be well...mine was! 2003 PT non-turbo...
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electrical, fog_lights, no_fuse, power_locks, power_mirror

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