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How do you replace a blower motor resistor in 2006 Chevy Trailblazer?
Wiki User
∙ 11y ago
"Front A/C blower would stop working intermittently the back blower works "OK".
Tools needed:
5.5mm and 7mm (I use 7/32 and 9/32 nut driver or small sockets), wire cuter and some electrical butt spice connectors or tape.
My GM/Chevy part # 52413530 (resistor) is replaced by AC delco15-81728. (listed about $108, My Chevy dealer charged me $80) - I had very hard time to find this part at local part houses.
The blower motor resistor in 2006 Chevy Trailblazer is located under glove box , Remove the Cover Panel and Glove box door 9/32" screws (4 each).
Remove two screws to hold the resistor 7/32".
The old GM part has different plugs .You must cut and spice 3 wires to use new plug. When cutting the existing 3 wire plug.. Please cut one wire at a time and do not let them touch each other... I did not .. I blew the electric Fuse (Mine blown fuse is 40A SQUARE fuse at the main fuse box- Yes it is Square Blue or Green/Clear plastic fuse ! Look like a relay or small sugar cube about 7/16" each side!! cost couple dollars).
Replug the blower and resistor plugs, reinstall Resistor screws, reinstall panel cover, Reinstall glove box door (If you took it off.)
The easy wiring instruction comes with the AC Delco kit 15-81728.
Wiki User
∙ 11y ago
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