Re: No heat or defrost
Reply #2 –
Not sure you have a fuse. On my 2000 Magna the power for those items comes from a 30 amp circuit breaker on the fuse panel in the bay under the driver's seat. The circuit breaker is the top one in the middle of the 3 rows of fuses and circuit breakers.
Usually that bay is called the front run bay and the fuse panel in that bay is called the front run fuse panel. According to my schematic, there are 6 relays hidden under the dash as part of the system. I don't think there is one critical relay that has to operate before other things will work.
If you have the OTR air conditioning in your bedroom then see if that fan works with the ignition turned on. If so then the 30 amp circuit breaker mentioned above is OK.
pete
2000 40' Magna CAT C10 #5892