Ignition Timing: SC300
CAUTION:
Some tachometers may not be compatible with ignition system. Consult tachometer manufacturer before connecting tachometer to system. DO NOT allow tachometer terminal to become grounded, or damage to ignitor and/or coil may occur.
- Ensure engine is at normal operating temperature. Connect timing light to engine. Connect tachometer to IG- terminal of engine check connector. See Fig 1.
- Install jumper wire between terminals TE1 and E1 of engine check connector. See Fig 2. Ensure idle speed is within specification. See IDLE SPEED SPECIFICATIONS table under IDLE SPEED & MIXTURE. Ensure base timing is within specification. See IGNITION TIMING table under ES300. Adjust timing by turning distributor.
- Remove jumper wire from engine check connector and check that advance timing is within specification. See IGNITION TIMING table under ES300.