FixVault

Equipment Hook-Up

With ignition off, connect a timing light to engine. Connect a jumper wire from the self-test input to ground. Connect a DC voltmeter set at the 0-20 Volt range, to the battery positive terminal and self-test output terminal No. 4. See Fig 1 .

Fig 1: Meter Hook-Up for Reading Codes This applies to all models.
G174