UPDATE Just installed the new blower resistor pack. The fan works great. Have variable speed and full speed. I cleared all the codes and then drve the car. I checked error codes again and have 2: 2-3-5 & 4-1-8 The Auto AUTO setting does not work but I am happy. I now have heat again and can cont...

I made a typo. I do Not have access to another 850 to borrow parts from.

Thanks for your input

Todd

Steve & Bill of Durham, fuse # 31 is good as well as fuse # 5. The AC unit is currently discharged. The evaportor went bad earllier this year. I had the following codes before replacing the heater core & thermostat and before removing and testing the blower fan: Note: Error codes shown with ...

Steve & Bill of Durham, fuse # 31 is good as well as fuse # 5. The AC unit is currently discharged. The evaportor went bad earllier this year. I had the following codes before replacing the heater core & thermostat and before removing and testing the blower fan: Note: Error codes shown with ...

I also have aproblem with the heater blower in my 1993 850 with ECC.

Does anybody know how to test the heater resistor pack that controls the blower fan??

I posted a separate question earlier today.

Thanks

Todd

mY HEATER BLOWER STOPPED WORKING IN MY 1993 VOLVO 850 glt SEDAN WITH eLECTRONIC CLIMATE CONTROL (ECC). This occurred when the heater core sprang a leak. I've installed the new heater core. and now I need to fix the heater blower/fan. I removed the fan and it works fine. The fan has power thru the re...