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I have a 1973 F150 and am having trouble with my heater. I am pretty sure that the fan or blower is the main problem and not the heater core itself. At times the blower will start and then stop. At this point I am thinking that either the switch is bad or there is a loose wire somewhere. I would like to have some information on how to trouble shoot the switch and or wiring. Also can anyone tell me where exactly the blower is and the best way to get to it.
Thank You
Larry
Thank You
Larry