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  1. salvageV6

    AC Clutch not engaging 85 GN

    This is what I use for a test lamp that draws some current.
  2. salvageV6

    AC Clutch not engaging 85 GN

    Need to check the light green wire at the pressure switch for +12 when A/C is selected. Sounds to me like the blower and A/C clutch control module is shot not sending enough current out to engage the clutch. If you don't get +12 at the relay blue wires with the system engaged, and as you...
  3. salvageV6

    AC Clutch not engaging 85 GN

    The second blue wire does send +12 to the ECM and it gets it from the pressure switch that "should" power the compressor. The easiest test would be to unplug the pressure switch put +12 on the blue wire in the socket from the battery, leave the key OFF and make sure that +12 goes through C497...
  4. salvageV6

    AC Clutch not engaging 85 GN

    The second blue wire at the relay goes back to the ECM, when powered from the pressure switch +12 when the compressor is ON it tells the ECM the A/C is functioning and it bumps up the idle, no other function that I know so it's an input signal to the ECM not and output signal from it.
  5. salvageV6

    AC Clutch not engaging 85 GN

    Out of the relay the light blue wire for compressor control power goes from the relay to C497 cavity A blue wire, to the other side of the connector also a blue wire directly to the pressure switch. If you put power on the blue wire at the pressure switch unplugged it needs to read +12 to a...
  6. salvageV6

    AC Clutch not engaging 85 GN

    Yes correct, doubt its the pigtail though. Keep it removed and powered on the blue wire. I was mistaken saying this signal goes back into the dash area, it goes out of the light blue wire on the pressure switch connector over to the passenger fenderwell area to the left of the blower motor...
  7. salvageV6

    AC Clutch not engaging 85 GN

    Ok back to square one for a second. When in A/C mode, set at 65 A/C which should engage the compressor, do you get +12 at the pressure switch itself on the light green wire? If so use a short jumper and jump out the two terminals on the switch removed from the accum/.drier. That...
  8. salvageV6

    AC Clutch not engaging 85 GN

    I meant the blower fan the module controls, does it work properly even if the compressor does not engage does air come out the vents and can you change the speed of the fan?
  9. salvageV6

    AC Clutch not engaging 85 GN

    Is the fan control and fan working properly? When on A/C that is.
  10. salvageV6

    AC Clutch not engaging 85 GN

    Looks like solid state switch A sends the signal out the light green wire, then to the press switch and relay cutout contact out to the compressor. Do you have +12 on the brown/wht wire on the Blower and A/C clutch control module near the purple wire terminal C on that connector?
  11. salvageV6

    AC Clutch not engaging 85 GN

    Do you get +12 on the purple wire shown in the diagram when A/C is selected properly to turn on the compressor? It's right in the troubleshooting part of the diagram.
  12. salvageV6

    DS seat swap

    https://procarbyscat.com/product/elite-lumbar/ They have brackets for the Regal to mount them. Many seat types to choose from not just the Elite that will work with the brackets.
  13. salvageV6

    Power Antenna stopped working

    Probably one of the switches inside the antenna itself. If you have verified the signals are proper out of the relay, it's either the wire to the antenna or the antenna itself which is far more likely. A search should pull up the wiring diagram.
  14. salvageV6

    Brake Lights

    Here's the diagram that shows C104 harmonica connector and the wire that comes off the brake switch into the hazard assembly in the column and then back out to power the brake lights independently of the third brake light wire.
  15. salvageV6

    Brake Lights

    You need to get to the right side of the steering column up top, undo the drivers side black lower panel, two screws and a 10mm nut down at the floor. Remove the drivers A/C vent a couple of screws and a hose. Look up and find the white wire on the top of the harmonica steering column...
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