2000 Jeep Wrangler SE, AutomaticFACTORY OEM SERVICE PROCEDURE

Ignition Switch Test

WARNING: Deactivate air bag system before performing any service operation involving steering column components. See appropriate AIR BAG RESTRAINT SYSTEMS article in ACCESSORIES & EQUIPMENT.
  1. Disconnect negative battery cable. Remove ignition switch. See appropriate STEERING COLUMN SWITCHES article in ACCESSORIES & EQUIPMENT. With ignition switch in ON position, check for continuity between ignition switch terminals. See IGNITION SWITCH CONTINUITY  table. See Fig 1 or Fig 2 . If continuity does not exist, replace ignition switch. If continuity exists, go to next step.
  2. With ignition switch in START position, check for continuity between ignition switch terminals. See IGNITION SWITCH CONTINUITY  table. If continuity exists, ignition switch is okay. If continuity does not exist, replace ignition switch.
IGNITION SWITCH CONTINUITY

Switch Position Terminals No.
ON
Cherokee 3 & 4, 7 & 8
Grand Cherokee 2 & 3, 4 & 5, 4 & 6
Wrangler 3 & 4, 7 & 8, 7 & 9
START
Cherokee 1 & 2, 7 & 9, 3 & 10
Grand Cherokee 1 & 2, 4 & 6
Wrangler 1 & 2, 7 & 9, 7 & 10
Fig 1: Identifying Ignition Switch Terminals (Cherokee & Wrangler)
G00010920Courtesy of DAIMLERCHRYSLER CORP.
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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.