Test 13, Ground Circuit

Ground Circuit Test Connections:

Procedure
1. With ignition ``Off,'' install straight pin in module black wire, Fig. 1.

Note: Do not allow straight pin to touch engine ground.

2. Using a suitable voltmeter, connect negative lead to engine ground and positive lead to black wire pin.
3. Turn ignition to the ``Run'' position, measure voltage.
4. If voltage obtained was more than 0.5 volts, proceed to test 14. Test 14, Wiring Harness Ground Circuit
5. If voltage obtained was less than 0.5 volts, replace ignition module.