SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY1999SABLE LS, 4D SEDAN, 3.0 SREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSREMOTE KEYLESS ENTRY SYSTEMSCOMPONENT TESTSRELAYSEXCEPT DRIVER'S DOOR UNLOCK & INTERIOR LIGHT RELAYS
1999 Mercury Sable LS, 4D Sedan, 3.0 S

Except Driver's Door Unlock & Interior Light Relays

1999 Mercury Sable LS, 4D Sedan, 3.0 SSECTION Except Driver's Door Unlock & Interior Light Relays
  1. Remove relay to be tested. See Figure and Figure . Measure resistance between terminal No. 85 and all other terminals. See Figure . If all resistance readings are greater than 5 ohms, go to next step. If any resistance reading is 5 ohms or less, replace relay.
  2. Measure resistance between terminal No. 30 and terminal No. 87a. If resistance is 5 ohms or less, go to next step. If resistance is greater than 5 ohms, replace relay.
  3. Apply battery voltage between terminal No. 85 and terminal No. 86. Measure resistance between terminal No. 30 and terminal No. 87. Resistance should be 5 ohms or less. Measure resistance between terminal No. 30 and terminal No. 87a. Resistance should be greater than 5 ohms. If resistance is not as specified, replace relay. If resistance is as specified, relay is okay at this time.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.