Scott - I have no specific experience here, but I'd start by taking out
the new radio and harness. This will reduce the likelihood that they
are the problem. Maybe putting in the new radio pulled or squashed a wire.
Look around the opening for any damaged wires. It is possible something
got nicked/damaged and over the few days shorted. Maybe some of it is
as simple as a broken wire. Check and see if you find any sharp
bends/creases or wires stuck together (indicating heating).
Gently pull on the various wires in the area. Maybe an important one
came loose from a connector. Check for a ground - it should connect to
On 1/21/2015 7:32 PM, Scott Hall wrote:
> I'm asking here because you guys probably know more than anyone on an
> enthusiast site (and I searched those sites and got no answers).
> I've got a 2004 F-250 Super Duty (diesel).
> I just took out the OEM radio and replaced it with an aftermarket Pioneer
> unit. I bought an the Metra harness adapter and wired it up according to
> Everything worked fine...for about a day or two. Then the dash lights went
> out, along with the dimming function of the radio (so headlights on the
> radio should dim. It did...then it quit). And the speedometer cluster and
> the HVAC cluster lights are gone.
> Then a few days later, the running lights quit working. So when I turn on
> the lights in the truck, the headlights come on, but not the 'driving'
> lights, including the rear lights. The brake lights illuminate when the
> pedal's pushed, but not the running lights when just the lights are on.
> Googling suggested replacing the headlight switch. I did, no fix. I checked
> the fuses shown for running lights and they're good.
> I for nothing after that, and I'm not sure where to go from there. But I'll
> bet you guys know. Any help?
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