Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
sorry for the delay.............Greetings...... “Hi, I’m Don (aka MOLurch) and I look forward to helping you!”.RED = 12 Volts +GRAY = Logic from the Heater ProgrammerBLACK = Ground -Typically the Heater Programmer is the cause but the Blower Motor Speed Control at the Blower Motor should be replaced first
the Front Blower Motor Speed Control which is incorporated into the Front Blower Motor and is not serviced separately.The Heater Programmer is located passenger side, behind das
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