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91 f150 stereo problem

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Old Aug 18, 2008 | 08:57 PM
  #1  
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Akuoon
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91 f150 stereo problem

I just bought a 91 ford f150 I installed an aftermarket deck but the problem is when I turn on the head lights (low or high beams) I lose all power to the stereo and have no idea what could cause this. Ive never had this issue before, does anyone know what could cause this?
 
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Old Aug 19, 2008 | 08:55 AM
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quaddriver
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From: Cook Forest and Irwin PA
hmmm, by any chance are you taking the KAM power from the lighting? factory radios dimly light some stuff when the lights are off, then when the lights come on do something else... (I think your year it is an orange wire?)

did you use a harness adaptor?
 
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Old Aug 19, 2008 | 12:43 PM
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Originally Posted by quaddriver
hmmm, by any chance are you taking the KAM power from the lighting? factory radios dimly light some stuff when the lights are off, then when the lights come on do something else... (I think your year it is an orange wire?)

did you use a harness adaptor?
I didnt use the harness adaptor because when I got the truck someone already hacked into the wiring harness.
 
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Old Aug 19, 2008 | 01:08 PM
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quaddriver
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From: Cook Forest and Irwin PA
its time to unhack....I think someone posted the wiring code elsewhere on this site..
 
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Old Aug 19, 2008 | 05:41 PM
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Or atleast verify the wiring. Time to brake out the DMM, I would suspect you have used the illumination circuit as the ground.
 
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