So I'm at wits end with my zr2. 160k auto 4.3 blazer
I get in my truck this morning and go to turn the key and my radio is all that turns on. No fuel gauge, no lights in the dash. Just like only putting it on accessory. So far I've replaced...
Radiator
Alternator
Battery
Big 3 upgrade
Ac Pump
Secondary air injection pump
Fuel pump
Spider injector unit
Fuel filter
Cat back
Cap and rotor
Plugs and wires.
Fuel pump splice pack and added secondary ground

 

I hear no relay click. No starter. No pump. No gauges in my dash move but the volts. Fuel gauge doesn't move. Security light doesn't come on.

 

Anyone?

 

sounds like the electronic ignition switch maybe bad.

 

I was wrong I actually can hear the pump. I put it on on and I hear something in the pass kick panel click. The pump primes and my 4wd LEDs all light up. The ses light is lit and the volt gauge moves. Nothing else.

 

I would agree that the ignition switch is bad.