Heater/AC Fuse ? - Automotive Wiring and Electrical


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Heater/AC Fuse ?

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sf49ers
Novice

Dec 25, 2005, 9:59 AM

Post #1 of 5 (2250 views)

Heater/AC Fuse ?	Sign In

Now my heater/AC will not come on (no power at all)

I am looking for the fuse for this, but can't seem to find it.

anyone know where to find ?

1991 Chevy Silverado 4WD 350 Motor.

found the fuse, it was all right. but still no power to heater controls.

(This post was edited by sf49ers on Dec 25, 2005, 10:35 AM)

DanD
Veteran / Moderator
DanD profile image

Dec 25, 2005, 11:49 AM

Post #2 of 5 (2241 views)

Re: Heater/AC Fuse ?	Sign In

I'm at home right now so I don't have access to my manuals until Tuesday, if you want to wait I'll look up a test procedure then?
Dan.

Canadian "EH"

sf49ers
Novice

Dec 25, 2005, 11:56 AM

Post #3 of 5 (2236 views)

Re: Heater/AC Fuse ?	Sign In

that would be most appreciated. thx

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 26, 2005, 9:11 AM

Post #4 of 5 (2230 views)

Re: Heater/AC Fuse ?	Sign In

Tough weekend for troubles. Dan is awesome with diagrams and locations. I can suggest look in the owner's manual which many times can help. If not available, with veh in "run" mode check each fuse with a test light. You don't have to remove them to test them. Both sides must light up your light. Some may be dead on both sides which is normal for things not being used. Of course only replace a fuse with the correct fuse. If a new one blows right away there's some more looking around as to do as to why. We'll get there. - T

DanD
Veteran / Moderator
DanD profile image

Dec 27, 2005, 5:20 AM

Post #5 of 5 (2223 views)

Re: Heater/AC Fuse ?	Sign In

Here's a couple of diagrams that may help, have a look and ask away.
This should be the in dash fuse panel

Hopefully this is the proper diagram of your heater circuit, there's a few different systems, this the most common one

Canadian "EH"

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