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.
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HOMESERVICE MANUALSMERCURY1999SABLE LS, 4D SEDAN, 3.0 SREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSPOWER DOOR LOCK SYSTEM & TRUNK RELEASE SYSTEMDIAGNOSTIC TESTSDTC 1610: ILLUMINATED ENTRY INPUT CIRCUIT SHORT TO GROUND
1999 Mercury Sable LS, 4D Sedan, 3.0 S
DTC 1610: Illuminated Entry Input Circuit Short To Ground
1999 Mercury Sable LS, 4D Sedan, 3.0 SSECTION DTC 1610: Illuminated Entry Input Circuit Short To Ground
- Disconnect Generic Electronic Module (GEM) harness connector C248. See Figure . Measure resistance in Brown/Light Green wire between ground and terminal No. 8 at GEM harness connector C248. If resistance is 5 ohms or less, go to next step. If resistance is greater than 5 ohms, go to step 3 .
- Disconnect Remote Anti-Theft Personality (RAP) module harness connector C254. See Figure . Measure resistance in Brown/Light Green wire between ground and terminal No. 8 at GEM harness connector C248. If resistance is 5 ohms or less, repair short to ground in Brown/Light Green wire between terminal No.8 at GEM harness connector C248 and terminal No. 10 at RAP module harness connector C254. If resistance is greater than 5 ohms, replace RAP module.
- Connect New Generation Star (NGS) tester to data link connector. Turn ignition switch to RUN position. Select WIGGLE TEST on NGS tester. Flex harness between RAP module and GEM. Also wiggle connectors at RAP module and GEM. If DTC B1607 or B1610 are retrieved, repair intermittent short in Brown/Light Green wire between terminal No. 8 at GEM harness connector C248 and terminal No. 10 at RAP module harness connector C254. If DTC B1607 or B1610 are not retrieved, go to next step.
- Repeat GEM self-test. If any DTCs are retrieved except DTC 1610, perform appropriate DTC test. If DTC B1610 is retrieved, replace GEM.
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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.