03 - 06 Silverado/Sierra Blower Resistor and Connector Replacement (manual HVAC system CJ3)

This video is a continuation from the last one where the blower in this 2003 Silverado stayed on speed 5 with the key off. The resistor was replaced along with the connector.

Note: The crimping tool that I used was not the "correct" tool, according to GM. They want you to use a crimping tool that is part of the J 38125 terminal kit when crimping the "duraseal" splice sleeves. Well, I wasn't about to buy a tool that I'd rarely use, plus the method that I showed is what I've done numerous times in the past without an issue. I also learned that the harness of the new connector is super long because there have been cases where the wiring insulation melted.When GM pays for this repair, they want the connector replaced even if there is no evidence of melting.

For owners of these trucks which have the manual HVAC controls, if the blower stays on with the key off, you might get this repair covered for free from your local GM dealer. This truck did not qualify for the repair because it is over the 10 year limit. I hate the dealer just as much as the next DIY'er, but if it's a free repair, go for it. Just don't be surprised if they tell you that your truck "needs" a bunch of other work lol.

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