It works perfect when the engine isint running, when in high it bypasses the BMC (already replaced, was my first thought) and pulls straight from the relay. No blown fuses, relays are good.
15' Expy El Limited
Been troubleshooting my blower motor problem for a while now and have narrowed it to too many volts going to the blower motor. With the engine running there are 14.6v going to the blower motor on High which causes it to cut out. With the engine off it only gets 13.1V on...
2015 Limited EL
Dual zone Auto climate
I can not figure out what is going on with the blower motor. If it is on High (or almost High) it will blow for a few seconds and quit, after a few min it will blow for a few seconds and quit. If I lower the fan setting, when it comes back on it stays...
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