blower resistor wiring black wire gets hot and melts?

2006 CHEVROLET SILVERADO
132,633 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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COMPUSATLLC
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  • 2 POSTS
blower resistor.
Aug 10, 2023 at 8:15 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

The black wire is the ground. If it is getting hot and melting, either we have a faulty blower motor (drawing too many amps) or a poor connection.

Inspect the connector to make sure the pin isn't corroded, damaged, or pushed in preventing a good connection. (See pic below) Also note that if you have already replaced the wire and it was done with a lighter gauge wire, which will cause this as well.

If that is good, locate the ground (G200) near the A-pillar. That is the left side pillar where the windshield is mounted. See pic 2. Note the location is high in the dash.

Let me know.

Take care,

Joe

See pics below.
Aug 10, 2023 at 8:06 PM
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COMPUSATLLC
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my wiring is not like that.
Aug 12, 2023 at 2:42 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

That is what my manual is showing for an 06 1500. What is different? Let me know and I'll dig through some other schematics to see if I can match it.

Let me know.

Joe
Aug 12, 2023 at 8:24 PM