View Single Post
Old 02-26-2015, 01:53 PM   #2
Mike C
Registered User
 
Mike C's Avatar
 
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,740
Re: Heater fan plug melting

That plug goes to the resistor assembly inside the ventilation plenum. The resistor is what gives you low and medium on the fan speed. The high speed should run straight from the fan relay. Looks like someone has incorrectly wired something.
__________________
44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
Mike C is offline   Reply With Quote