Distributor Ignition System (V12)
NOTE:
For location of DME and fuel pump relays, see DME & FUEL PUMP RELAY LOCATION table under PRELIMINARY INSPECTION & ADJUSTMENTS.
Switch off ignition. Remove distributor cap with ignition wiring harness. See REMOVAL, OVERHAUL & INSTALLATION article. Perform resistance measurement on individual components. See DISTRIBUTOR SPECIFICATIONS table. Check distributor rotor and distributor cap for hairline cracks and traces of scorching. If any are present, establish the cause and replace corresponding component.
DISTRIBUTOR SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Winding Resistance | (1) 1.1k Ohms | ||
| Clearance Between Stator & Rotor Tooth | .011-.027" (.3-.7 mm) | ||
| Angled Plugs/Shielded Plugs | (1) 1k Ohm | ||
| Spark Plug Connectors | (1) 5k Ohms | ||
| Ignition Lead @ 68°F (20°C) | (1) 20 Meg Ohms | ||
| Distributor | (1) 1k Ohm | ||
| Position Sensor Coil Resistance | (1) 80 Ohms | ||
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