Distributor cap has 4 wires on the passenger side and 3 wires on the drivers side. Drivers side from front to back should be 3,1,5. Passenger side is 2,4,6, and then the coil wire is at the back closest to the firewall.
The firing order for the 4.3L engine is 165432
Firing order is the same as a small block Chevy 18436572 clock wise
All Chevy firing orders are 1 8 4 3 6 5 7 2
Firing Order
1,8,4,3,6,5,7,2.
We need to know size engine you have.
18436572
firing order for the 454 is the same as the 350 ( 1-8-4-3-6-5-7-2 )
on 2002 chevy v6 4.3 the order is 1,3,2,4,6,5
The firing order for a 3.8-liter engine is 165432
5 Liter what, Ford, Chevy? Year & make would help.
1,8,4,3,6,5,7,2.