Question about 1997 Dodge Intrepid

2 Answers

My AC/Heater vent blower has stopped working in conjunction with my power windows. Also when this happens the Air Bag light on the dash board lights up. On the rare instances that the blower and windows do work the airbag light goes off. Also when they do work the blower and the windows can not be used at the same time. If they are they stop working and the Air Bag light comes back on.

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  • janthompson0 Apr 26, 2010

    I have repeatedly checked and replaced all the fuses and still had the same problems.

    I have gotten mixed results after cleaning and repairing my battery terminals. Cleaned twice in the last 3 months and it started working for about 1 minute then hasn't worked since. Passenger window is stuck half way down.

    There are two smaller wires that extend out of a wire bundle and are attached to the positive battery terminal.


  • janthompson0 Apr 26, 2010

    My AC/Heater vent blower has stopped working in conjunction with my power windows. Also when this happens the Air Bag light on the dash board lights up. On the rare instances that the blower and windows do work the airbag light goes off. Also when they do work the blower and the windows can not be used at the same time. If they are they stop working and the Air Bag light comes back on. I have repeatedly checked and replaced all the fuses and still had the same problems.

    I have gotten mixed results after cleaning and repairing my battery terminals. Cleaned twice in the last 3 months and it started working for about 1 minute then hasn't worked since. Passenger window is stuck half way down.

    There are two smaller wires that extend out of a wire bundle and are attached to the positive battery terminal.

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2 Answers

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  • Master
  • 1,297 Answers

Sounds like you have multiple problems

however, one problem could cause all but lets isolate it to make sure

the most common problem on all these intrepid's is the blower motor resistor
If you had high enough resistance in this it could cause a feedback into the other circuits

Please diagnose the blower motor resistor first and I'll research any common thread between all your concerns

let me know by updating your post when you have finished diagnosing the blower motor resistor

To test...
1.) Turn ignition on (engine off). Move blower motor switch to each operating position. If blower motor operates, go to step 13. If blower motor does not operate in any position, check fuse No. 21. If fuse No. 21 is okay, go to next step. If fuse No. 21 is blown, go to step 10.

2.) Connect scan tool to Data Link Connector (DLC). Using scan tool voltmeter, probe cavity in junction block for fuse No. 21 (Black/Orange wire). If voltage is 10 volts or more, go to next step. If voltage is less than 10 volts, repair open Black/Orange wire between ignition switch and junction block fuse No. 21.

3.) Turn blower motor off and reinstall fuse No. 21. Disconnect blower motor resistor 6-pin connector, located next to blower motor 2-pin connector. Ensure connector is clean and not damaged, and then go to next step.

4.) Using scan tool voltmeter, probe blower motor resistor 6-pin connector terminal No. 4 (Dark Green wire). If voltage is 10 volts or more, go to next step. If voltage is less than 10 volts, repair open Dark Green wire between fuse No. 21 and blower motor resistor.

5.) Reconnect blower motor resistor 6-pin connector. Using scan tool voltmeter, backprobe blower motor connector terminal No. 1 (Black wire). If voltage is 10 volts or more, go to next step. If voltage is less than 10 volts, replace blower motor.

6.) Using a jumper wire, backprobe blower motor 2-pin connector terminal No. 1 (Black wire) to ground. If blower motor runs at high speed, remove jumper wire and go to next step. If blower motor does not run at high speed, replace blower motor.

7.) Disconnect A/C-heater control module 10-pin connector and ensure connector is clean and not damaged. Turn ignition on (engine off). Connect jumper wire from control module 10-pin connector terminal No. 10 (Black/Tan wire) to ground. If blower motor runs at high speed, go to next step. If blower motor does not run at high speed, go to step 9).

8.) Using scan tool ohmmeter, measure resistance at control module 10-pin connector terminal No. 1 (Black wire). If resistance is 5 ohms or more, repair open Black wire circuit between A/C-heater control module 10-pin connector terminal No. 1 and ground. If resistance is less than 5 ohms, replace A/C-heater control module.

9.) Disconnect blower motor resistor connector. Using an external ohmmeter, measure resistance in Black/Tan wire circuit between blower motor resistor connector terminal No. 3 and A/C-heater control module 10-pin connector terminal No. 10. If resistance is less than 5 ohms, replace blower motor resistor. If resistance is 5 ohms or more, repair open Black/Tan wire between A/C-heater control module and blower motor resistor.

10.) Turn ignition and blower off. Ensure blower motor 2-pin connector and blower motor resistor 6-pin connector are still connected. Using scan tool ohmmeter, backprobe blower motor 2-pin connector terminal No. 1 (Black wire). If resistance is 5 ohms or more, go to next step. If resistance is less than 5 ohms, go to step 12).

11.) Replace fuse No. 21. Turn ignition on (engine off). Turn blower motor switch to high speed. If blower motor operates and fuse No. 21 does not blow, repair is complete. If blower motor operates but fuse No. 21 blows, replace blower motor.

12.) Disconnect blower motor resistor 6-pin connector. Ensure connector is clean and not damaged. Using scan tool ohmmeter, probe blower motor resistor 6-pin connector terminal No. 4 (Dark Green wire). If resistance is less than 5 ohms, repair short to ground in Dark Green wire. If resistance is 5 ohms or more, replace blower motor.

13.) Disconnect A/C-heater control module 10-pin connector. Ensure connector is clean and not damaged. Using scan tool voltmeter, probe 10-pin connector terminals No. 3 (Light Blue wire), No. 4 (Tan wire), No. 7 (Light Green wire), and No. 10 (Black/Tan wire). If voltage is 10 volts or more at each terminal, replace A/C-heater control module. If voltage is less than 10 volts at any terminal, go to next step.

14.) Disconnect blower motor resistor 6-pin connector and ensure connector is clean and not damaged. See Fig. 1 . Using an external ohmmeter, measure resistance of following wires between control module 10-pin connector and blower motor resistor 6-pin connector: Light Blue, Tan, Light Green and Black/Tan.

15.) If resistance in each wire is less than 5 ohms, replace blower motor resistor. If resistance is 5 ohms or more, repair open circuit(s).

Posted on Apr 26, 2010

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  • Dodge Master
  • 17,970 Answers

The first to check here is the fuse panel...

My AC/Heater vent blower has - 5b8a0d8.jpg

Any fuse blow will can cause this. Tell us news.

Posted on Apr 26, 2010

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