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Re: Heater switch advice
Wow, 10A sure is small, but that's correct according to my 66 owner's manual. If it only blew after a time with both the old and new motor, then it's definitely an overload rather than a short. I'm wondering if the replacement motors today are more powerful. It might be too "big".
I can't find a truck heater diagram at the moment but all the chevy's of the 60's I'm aware of use 16 ga wire for that circuit. 16 ga can handle 15, even 20 amps for short runs of a few feet. Even the tail and stop light circuits uses a 15A!
I guess a larger fuse can't be recommended but I feel that's your only choice other than finding a motor that draws less power.
Were you able to measure the actual current when the blower is in operation?
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