Rick's Free Auto Repair Advice

Posts Tagged: blower motor stays on high

Blower runs all the time – Chrysler minivan

Fix blower that runs all the time – Chrysler minivan Blower fan runs all the time and at the highest speed, 2001 Dodge Grand Caravan with the 3.8L engine. In a vehicle with automatic temperature control (ATC) feature “front blower power module (FBPM)” is used in place of a traditional blower motor resistor block. Here’s how the system works. The FBPM receives its power from the front blower motor relay located in the intelligent power module. When you set a fan speed, the heater control head sends a pulsed voltage … Read More

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