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.
- 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.
- 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 | |