Question about 1989 Pontiac Firebird
BACK IN 1989 BEFORE YOU TIME THE CAR YOU HAD TO PUT IN BYPASS MODE THE ELECTRONIC SPARK TIMING.FIRST THING YOU DO IS WITH ENGINE OFF.CONNECT THE PICK UP LEAD OF AN INDUCTIVE TIMING LIGHT TO THE NUMBER 1 SPARK PLUG WIRE CONNECT TIMING LIGHT CABLES TO THE BATTERY POST.TIMING LIGHT CABLES ARE COLOR CODES RED CABLE FOR BATTERY POSITIVE BLACK CABLE BATTERY NEGATIVE CABLE.RUN ENGINE UNTIL ITS OPERATING TEMPERATURE.LOOK UNDER HOOD ON RADIATOR TOP SUPPORT FOR TIMING SPECS.YOU WILL NEED A TACH METER FOR SET IDLE SPEED. WHEN YOU ADJUST TIMING.OKAY WHEN ENGINE GET WARM ENOUGH.BESURE HOOK UP TACH METER WHEN YOU HOOK UP TIMING LIGHT.WHILE ENGINE RUNNING GROUND THE DIAGNOSTIC TERMINAL UNDER THE DASH. ON THE ALDL CONNECTOR GROUND TERMINALS. B AND A. THIS PUT SPARK TIMING IN BYPASS MODE.CHECK TIMING BY AIMING THE TIME LIGHT AT THE TIMING MARK ON THE HARMONIC BALANCER.IF ENGINE TIMING REQUIRES ADJUSTMENT.LOOSEN DISTRIBUTOR HOLD DOWN BOLT AND ROTATE THE DISTRIBUTOR SLOWLY IN EITHER DIRECTION TO ADVANCE OR ****** THE ENGINE TIMING.WARNING BECAREFUL WATCH COOLANT FAN BLADE AND DRIVE BELT WHEN USING TIMING LIGHT.DONT WEAR LONG JEWELRY OR BRACLETS.ROLL UP LONG SLEEVES SHIRT OR COVERALS.IF YOU HAVE LONG HAIR TIE IT UP.ALL THIS FOR YOUR SAFETY. IF THIS DONT HELP YOU CAN BUY A HAYNES OR CHILTON REPAIR MANUALS. YOU CAN GO TO ANY AUTO PARTS STORE BUY ONE.
Posted on Jun 13, 2010
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Posted on Jan 02, 2017
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