1998 ram 1500 4wd engine shuts off when i turn heater selector knob on

Asked by Roderick Aug 16, 2020 at 08:42 PM about the 1998 Dodge RAM 1500 Laramie SLT Club Cab 4WD

Question type: General

1998 dodge ram 1500 4wd, heater selector knob has off position and max a.c and defrost  etc
when its in off position engine starts and runs fine,when i turn to any on positions it stalls engine

2 Answers
9,775

brotherben answered 4 years ago

Most likely, the alternator's going out and not producing enough power it should. Are you running any electrical accessories that could strain the alternator such as subs, amps, inverters, etc?

Mark helpful

Roderick answered 4 years ago

no im not the knob i turn for the heat selector and a/c defrost , vents and turn heater on and off etc is vacuum operated has vacuum lines plugged in back of it

Mark helpful

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