Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC B1441 - Wiper Front Mode Select Switch CKT Short To Ground
1996 Mercury Sable GS, 4D Wagon, AX4NSECTION DTC B1441 - Wiper Front Mode Select Switch CKT Short To Ground
- Disconnect GEM connector C3. See Figure and Figure . Measure resistance between GEM connector C3, terminal No. 4 (Pink/Yellow wire) and ground. If resistance is 10 k/ohms or less, go to next step. If resistance is more than 10 k/ohms, go to step 3).
- Disconnect multifunction switch connector C1. See Figure . Measure resistance between GEM connector C3, terminal No. 4 (Pink/Yellow wire) and ground. If resistance is 10 k/ohms or less, repair short to ground in circuit No. 684 (Pink/Yellow wire). If resistance is more than 10 k/ohms, replace multifunction switch and retest system.
- Connect New Generation Star Tester (007-00500) to Data Link Connector (DLC). Turn ignition on. Wiggle wiper/washer harness between multifunction switch and GEM. If DTC B1441 is retrieved during wiggle test, repair intermittent short to ground in circuit No. 684 (Pink/Yellow wire) and retest system. If DTC B1441 is not retrieved during wiggle test, repeat on-board diagnostic self-test. If DTC B1441 is retrieved again, replace GEM and retest system.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.