i finally brought my 79 b200 out of the garage. went to defrost the window but the fan is blowing extremely low. have checked for leaves in system but nada. the fan runs thru the different settings but just does not flow strong. then....i found the blower motor resistor block had a broken wire on the micro-temp switch . i want to fix this but also maybe need to swap whole system out....??? has anyone done that. the air is shot too. i have never heard of this blower motor resistor block...........i miss my 68 jeepster. lol would appreciate any word of wisdom............thanks
