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Ask Gm Tech (Cam) Your Own Question
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1669
Experience:  GM Grand Master Technician 2007. 14 year experience.
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I have a 1988 GMC truck with a 350 engine. I have replaced

Customer Question

I have a 1988 GMC truck with a 350 engine. I have replaced the tensioner, belt, and alternator. The problem exists that there is a voltage drop when I accelerate the engine. So I had the alternator bench tested, but it was fine. What should i do next or what is the problem?
Submitted: 1 year ago.
Category: GMC
Expert:  Gm Tech (Cam) replied 1 year ago.

Hi there, I am Cam. Can I get your first name please?
Sorry to hear about this. Can you tell me what it drops down to?