1994 f-150 engine dies when headlights are pulled on

Asked by Mar 02, 2017 at 09:45 AM about the 1994 Ford F-150 XLT LB

Question type: Maintenance & Repair

Just when you pull the switch now note you can
have the engine running an pull yourparking lights
or running lights in an it will continue to run pull the
switch on to headlights an the engine will die with
no kinda power source

1 Answer


Sounds like you have a ground issue. Try the easy stuff first. Since the problem is only when the headlights are turned on, locate the ground wire for the headlights coming off the plug and trace it to where he connects to the body or other round point. Even if it looks good, remove the attachment and clean it thoroughly and reconnect.

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