Question about 1989 Ford Bronco
You need to disconnect the control wire from the computer so the distributor falls back to base timing. It should be a grey plug over by the blower box. Looks weird, just a wire going to a plug and back out; the plug is just a bridge to break the connection. Timing should be set at 10° BTDC.
Posted on Nov 14, 2008
FIRST CHECK THE EMMISSION TAG UNDER HOOD FOR DEGREES BEFORE TOP DEAD CENTER,HOOK TIMING LIGHT NO. 1 PLUG WIRE, THEN LOOESEN DISTRIBUTER HOLD DOWN BOLT, GENTLY, JUST ENOUGH TO BE ABLE TURN DIST IF NEEDED, THEN ATTACH, LEADS OF TIMING LIGHT BATT. PLACE T. LIGHT IN SAFE AREA, SO AS NOT TO INTERFERE WITH ENGINE OPERATION. THEN START ENGINE. SHINE KIGHT ON LOWEST PULLY. YOU WILL SEE LINES ON HARMONIC BALANCER BHIND PULLY, JUST ABOVE IN THE INDICATER TAG WITH DEGEE MARRKS. BY TURNING DIST. IT WILL MOVR LARGE GROOVE ON H. BAL. GEN IT SHOULD BE SET AT SIS TO EIGHT DEGREES BEFORE TOP DEAD CENTER ON TAB.
Posted on Oct 05, 2008
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Posted on Jan 02, 2017
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