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Old 03-08-2011, 10:23 PM
ffjsh ffjsh is offline
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Left Side Speakers not working

Alright i have one here to stump everyone.... My uncle called me and his 05 f150 STX left speakers both front and back arent working. I took a look at it the other day, i switched his radio with my radio from my 06 f150 stx, then i switched my front speaker out. didnt work. I looked at his back speaker and the magnet on the speaker was stuck in the door. I checked fuses and dont see any blown. Any other ideas?
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Old 03-09-2011, 01:19 AM
dgndngrngr84's Avatar
dgndngrngr84 dgndngrngr84 is offline
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could be a break or short in the bundle of 4 speaker wires probably between the drivers side door and the radio. Is this on an extended cab or regular cab? I would try to follow the wires back from the speakers to the radio. Possibly leave the radio on so when you get to the break in the wires you'll know where it needs to be fixed. I know you run the risk of blowing the fuse if it shorts out but I guess that's were I would start. I'm sure someone else here has run into something similar and can help you out more. Good luck!

Here are the color coding for the wires from the left speakers to the radio:

left rear + Grey/Light Blue
left rear - Tan/Yellow
left front + Orange/Light Green
left front - Light Blue/White
Click the image to open in full size.

There is a junction point (C238) before the wires enter the doors down behind the hood release area:
Click the image to open in full size.

Other than the connections at the speakers and at the back of the radio, C238 is the only other place where all the speaker wires would connect.
--Eric-- 2005 F-150 SCab STX 4.6 4x4 3.55 open
Edge Evo, Magnaflow si/so, Reflex shocks, 265/70/17 General Grabber AT2, Rancho quick lift, Saleen grille, Smittybilt steps, 5k 35w HID
, The Rancher grille guard
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Old 03-09-2011, 01:19 AM

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