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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Door Locks

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Old Sep 3, 2016 | 02:39 PM
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mich800
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Door Locks

This is one for the electrical gurus. 2008 F250 crew cab 6.4 with about 170k miles if this even matters.

Leaving the grocery store today we all got in turned AC on high and could smell something funny. Sat there for about 30 seconds trying to figure it out and realized it was electrical. But not like the typical smell I am used to when a wire is burning but very heavy smell coming out of the vents.

Now here is the weird thing. The electric door locks do not work from any switch or remote. If you use the remote it beeps like it locked but no lock or unlock. Fuses all check out unless I missed one. Here is the weird part; truck off, if you hold the unlock button down the radio plays. If you hold the unlock button on the remote the radio plays. How to I begin trouble shooting this?
 
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Old Sep 3, 2016 | 11:46 PM
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Do you have EATC, which is automatic temperature control system, and also what type of radio do you have. 6 Disc CD, standard CD, or navigation unit. Will need this information to begin to help you. Also, do you have up fitter switches and are any of them wired to turn on anything.
 
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Old Sep 4, 2016 | 02:03 PM
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mich800
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Originally Posted by ssharber
Do you have EATC, which is automatic temperature control system, and also what type of radio do you have. 6 Disc CD, standard CD, or navigation unit. Will need this information to begin to help you. Also, do you have up fitter switches and are any of them wired to turn on anything.
Manal HVAC and stadard radio with cd. Everything but the power door locks work. All fuses good. When you activate the door locks there is a relay type clicking noise that comes from behind the fuse box. So it appears the issue is after this point.
 
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