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where is number one on a vortex 4.3 v-6 distributor cap
On my Astro, the firing order is located on the distributor cap- Where each plug wire goes into the cap, there is a number on the cap-find#1 go clockwise for the next number etc. That's your firing order
in number 1
number one wire will point to the number one cylinder
The marked # 1 position on the distributor cap faces to the FRONT
It's the distributor rotor that you are looking for & it's under the distributor cap. Remove the distributor cap and there you will find the rotor.
In the distributor under the cap
The wire sequence on the distributor cap just goes 1 thru 6, clockwise, starting from the number one position (which should be marked either on the cap or distributor).
The distributor cap should have the number 1 marked on it. The distributor cap is installed with the # 1 position facing the engine , slightly towards the drivers side of the engine
I just replaced one on my 1992 astro and it was $120 just for the distributor not including the rotor and cap
Try replacing the distributor cap.
follow first wire on drivers side at front of engine to cap