blower motor

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May 6, 2019 | 06:17 PM

meadepc

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Joined: May 2019

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blower motor

Hi everyone, hope someone can answer this, I have a 2004 f150 xlt and the dash lights and turn signals stopped working along with blower motor and truck wont come out of park, I have changed cruise control switch and brake light switch on brake pedal, still doesn't come out of park I started pulling fuses that were not working and found when I pulled the blower motor fuse truck comes out of park dash light work and so do turn signals,
I replaced the blower motor and the blower motor resistor and still no luck unless I pull the blower motor fuse,
Has anyone seen anything like this?

May 7, 2019 | 09:36 AM

alloro

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To me it sounds like there's an issue with the fuse box. By pressing and pulling on the blower fuse it's internally making and breaking the connection that feeds the other circuits.

May 7, 2019 | 10:27 AM

redfishtd

Fleet Mechanic

Joined: Apr 2016

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I think you may have corroded grounds in the left and right kick panels . Heavy load of blower motor is causing problems with your limited ground connection .You can clean up and use jumper cable to supply better grounds to these points straight to battery negative .for test . If you know how to do voltage drop test that could help too.