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Class of 69 · 08-30-2003, 09:21 AM

I think they are the same part, just different names for it. If the relay you replaced is on top of the heater box with 2 orange, 1 yellow, and 1 light blue wires to it, then that IS the resistor, which is also a relay...it controls the fan speeds.

08-30-2003, 09:21 AM	#2
Class of 69 Registered User Join Date: Mar 2003 Location: Stillwater MN Posts: 1,166	I think they are the same part, just different names for it. If the relay you replaced is on top of the heater box with 2 orange, 1 yellow, and 1 light blue wires to it, then that IS the resistor, which is also a relay...it controls the fan speeds. __________________ 69 GMC K10 ..some restoration required....still..