Cascade Crew

kutison · Posted: Tue Oct 11, 2011 10:35 pm Post subject: Heater fuse.

So my heater fuse randomly blew last spring and I never bothered replacing it. Every time I swap in a new one, the heater works until I turn the heat down. I have a 25 gauge fuse in there, this is correct gauge right?

And if that is the correct gauge, I just go hunting for a wire grounding out?

BluFbdy · Posted: Fri Oct 14, 2011 12:51 pm Post subject:

Gauge fuse? You mean amperage right? I beleiev 25 should do but if your blower motor is shorting the fuse then you need to break out a meter and get to probing for a short

Al Hasse · Posted: Fri Oct 14, 2011 1:25 pm Post subject:

Just a guess, since it goes when you turn the blower down. I would look at either the blower speed switch or the low speed resistor pack.

Quasi-Traction · Posted: Fri Oct 14, 2011 3:10 pm Post subject:

Resistor.

BluFbdy · Posted: Fri Oct 14, 2011 5:34 pm Post subject:

aaron_sK · Posted: Fri Oct 14, 2011 6:40 pm Post subject:

I'm betting switch. Resistor coils are air-cooled in the HVAC box, switches overheat sitting on top of the stereo.

kutison · Posted: Fri Oct 14, 2011 9:11 pm Post subject:

Makes sense.