Hot line into fuse box (for A/C) and to relay/fuse for power windows are dead

BL83687

MEMBER
1992 CHRYSLER IMPERIAL
96,000 MILES

I have traced the wiring to here and found these results. I can't find any wiring diagrams showing where these two lines originate. At the computer? But the lines are suppose to be 'hot'? Or from the ignition switch on the column? I seem to have had a few problems with that thru the years. Having to shut the car off. Pull key and restart to eliminate the problem. Is that the computer or the ignition switch. Anyway, the power windows and a/c blower (which is stuck on - had to unhook compressor) do not work due to no power coming to the fuse/relay box. Where do these wires originate?

Thanks, Bl83687

4 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

Most likely a fusible link which is wire that is also a fuse and will break when too much current pases. Look around the battery area and there are a series of them together

Roy

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Saturday, May 18th, 2013 AT 6:01 AM

BL83687

MEMBER
3 POSTS

I have checked the fusible link coming from the battery and is OK. Where else are these fusible links other than the battery. I also unhooked battery to reset the computer - still no power to the fuse box.
Is there any way to get a complete wiring diagram of the electrical system?The repair books just show that there is a hot line coming into the fuse/replay, but not where they originate. Would any of these originate from the ignition switch?

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Saturday, May 18th, 2013 AT 4:48 PM

ASEMASTER6371

MECHANIC
52,797 POSTS

The ignition switch does feed the fuse box with a key on power. The other is 12 volts all the time directly from the battery.

I will try to find a wiring diagram for you.

Roy

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Saturday, May 18th, 2013 AT 5:08 PM

BL83687

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3 POSTS

Roy,
Yes, I have traced it down to the ignition switch. Any luck in finding a wiring diagram for a 91- 95? Looks like it burnt thru. Got hot at one time. Need to trace the wiring or at least see a wiring diagram. Can't really follow these wires very far!

Thanks for the help

Brent

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Tuesday, May 28th, 2013 AT 4:16 AM