1989 b250 5.2L TBI No Voltage at Coil
Record Breaker
Joined: May 2008
Posts: 1,174
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From: North TX
Try the ASD relay, besure the Red wire is has power to it. If so put a jumper from the red to the Dark Green/Blue stripe wire and try the engine. If engine runs then either the ASD relay is bad or the circuit is bad.
The ASD relay powers the coil, injectors, and O2 sensor.
The ASD relay powers the coil, injectors, and O2 sensor.
