first you have to disconnect the est wire under passenger side by the heater core its atan wire with black a stripe . it has a quick disconnect. this will inable the electronic spark control.timing is 0 before top dead center when your done reconnect the est wire.
Ignition timing is electronically controlled.
10 degrees
1-6-5-4-3-2-.
on a 91 blazer s10 4wd
No.
Most major auto parts stores can get you a diagram of the ignition wiring for a 1995 S10 Blazer. You can also research the ignition wiring at your local library.
which fuse is for the fuel pump in a 1993 chevy s10 blazer
any s10 or sonoma up to 93 and any blazer jimmy up to 94
yes, most of the parts are interchangeable from the blazer to the pick up.
Is there a way to bypass the ECM in a 1993 chevy s10 4.3 vortec
Yes.
There is no timing to set. The timing is controlled by the ECM with signals it receives from various sensors.