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roybelding
roybelding, Master Tech/Trainer
Category: GMC
Satisfied Customers: 5158
Experience:  35 years of retail operations on all vehicles
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A 1983 Chevy diesel blazer, the glow plug circuit won't

Customer Question

a 1983 Chevy diesel blazer, the glow plug circuit won't light up, vehicle turns over, but glow plugs don't light and won't start, after a vehicle battery short
JA: Just to clarify, what are the exact lights you're talking about?
Customer: the dash board glow plug indicator light
JA: Are you fixing your Blazer yourself? What have you tried so far?
Customer: it is a military blazer, charged each battery seperately
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 2 months ago.
Category: GMC
Expert:  roybelding replied 2 months ago.

hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

Expert:  roybelding replied 2 months ago.

I attached a wire diagram for you to view.

check for power to the glow plugs with a test light. if you do not chances are the controller is bad but you need to verify the powers to it.

Roy

Customer: replied 2 months ago.
Thanks will do
Expert:  roybelding replied 2 months ago.

one other thing, if you find any the controller bad, replace all glow plugs. that was the reason for the controller failure

Roy

Roy

Expert:  roybelding replied 2 months ago.

Roy