Question about 2003 Chevrolet Silverado Ss

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Where is the heater resistor on a 2003 chevy silverado pickup

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  • jburns8337 Jan 24, 2009

    I have a 1999 Pontiac Montana. The a/c fan on works on #5 (high Speed), nothing on the lower speeds. How can I fix this?

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Same problem. Solution #1 is correct. The 4 lower speeds use a circuit board with resistors on it to reduce fan speeds. High speed has no resistors. Half my circuit board was physically missing and burnt. This circuit board is mounted inside the the ductwork to keep them cool. It is indeed located above the passengers right foot, near the blower motor. From what I remember, the wires piggy from the blower over to this resistor pack. I bought a new one for about $30 at local auto parts store. Easy fix.

Posted on Jan 19, 2010

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I had to replace on my 2001 suburban. It is down by the passengers feet. WHen I bought my part from the dealer, they either gave me a print out of how to replace, or it came in the box with the part, but it was a very simple fix, a plug and two screws if I rememeber correctly. Then the blower motor worked correctly, and still does. A common problem I've been told.

Posted on Dec 24, 2008

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It is usually located inside the fan housing, under the passenger side dash.

Posted on Dec 24, 2008

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If so there is a resistor pack under the dash on the passenger side (mounted to the heater housing). I would check it first.

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