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cpe6
06-14-2021, 03:59 AM
I just took the Marauder out yesterday; and had no A/C dont know if its the blower motor or resistor. The controls all light up but theres no action on no function vent/floor or either A/C function. There was no way I wasnt driving it since I had it all cleaned up; besides after sitting all winter I had to go fill it up with 93 Octane.

Should I replace both the motor and resistor; or could it be something more severe. Definitely dont want to use a dealer when its something I can replace myself.

Everyone have a nice day and thanks for any input.

Black Terror
06-14-2021, 04:46 AM
Apply 12V directly to motor, if runs it is OK. Talk to FastBlackMerc about BCM repair/replacement. He has exchange replacements.

RubberCtyRauder
06-14-2021, 07:08 AM
Turn blower on, tap the blower control module with a screwdriver handle, if it comes on, it's the bcm. Bcm is on firewall behind passenger cam cover. There is a write up on it in the shop talk or diY section

justbob
06-14-2021, 07:09 PM
Turn blower on, tap the blower control module with a screwdriver handle, if it comes on, it's the bcm. Bcm is on firewall behind passenger cam cover. There is a write up on it in the shop talk or diY section

^This^


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fastblackmerc
06-15-2021, 10:19 AM
Run the EATC self test.

See here: https://www.mercurymarauder.net/forums/showthread.php?99619-FOUR-MOST-COMMON-MARAUDER-HVAC-PROBLEMS