1994 ford f-150 5.0l cranks an runs but when you pull the headlight switch on it kills all poer to the motor

Asked by Georgie Chrissy Feb 26, 2017 at 11:17 PM about the 1994 Ford F-150 XLT SB

Question type: Maintenance & Repair

engine dies when you pull the headlight switch on

4 Answers
10

tommy_1099 answered 7 years ago

You have to check the alternator out put to the battery. Needs to be 14.5v if below that the alternator needs to be replaced.

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