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  1. #1
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    Question which wire to tap for interior lights?

    Hey guys,

    I'm added a few gauges and switches to my interior. I'm looking for a wire to tap so that the lights in the gauges will come on with the headlights/interior lights on the dash. These are going in the center of the dash, down where the ashtray was. I'd love to know which wire I can tap. I think my test light is dead as I couldn't find a wire to tap last night.

    Thanks in advance.

    Cheers,
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  2. #2
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  3. #3
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    I don't know what that means Pete. sorry for the ignorance.

  4. #4
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    i tapped the one for the HVAC panel for the dimmer on my head unit when I had the 300c, RED with Gray Stripe on the HVAC harness, can't tell you which connector though, but my notes say RED/GRY for Panel Light
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  5. #5
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    With Data Bus and all that fun stuff these days, I'd recommend tossing your test light anyway. I'm sure someone will tell me I'm stupid and over cautious but essentially you're allowing those data circuits to ground out with a test light. Get a cheap digital multimeter at the least.

    The other over cautious part of me would like to know what exactly you're hooking up to have an idea of amperage draw.
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  6. #6
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    passinger side kick panel -brown 26 pin plug> white with purple stripe
    thats the parking light wire.
    Last edited by sound&security; 01-17-2012 at 07:45 PM.

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  7. #7
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    on the Magnum, isn't there a wire harness plug that was supposed to be used for the clock, same as the 300's up behind the radio bezel. There is an orange / white wire (not 100%) may want to check with test light, like previously mentioned.

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  8. #8
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    Quote Originally Posted by fnkycld View Post
    on the Magnum, isn't there a wire harness plug that was supposed to be used for the clock, same as the 300's up behind the radio bezel. There is an orange / white wire (not 100%) may want to check with test light, like previously mentioned.
    Orange i believe...i had it connected to my HU for when the lights kicked on...

  9. #9
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    Quote Originally Posted by concussion View Post
    I don't know what that means Pete. sorry for the ignorance.
    ATC: automatic temperature control (4 knobs)
    MTC: manual temperature control (3 knobs)

    if ATC, pin 7 of 22 way connector (orange/gray wire).




    if MTC, pin 7 of 16 way connector (orange/gray wire).

  10. #10
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    I was almost right.

    Quote Originally Posted by fnkychkn View Post
    ATC: automatic temperature control (4 knobs)
    MTC: manual temperature control (3 knobs)

    if ATC, pin 7 of 22 way connector (orange/gray wire).




    if MTC, pin 7 of 16 way connector (orange/gray wire).

  11. #11
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    Quote Originally Posted by Mr. iNCREDIBLE View Post
    I was almost right.
    must have been dark orange.

  12. #12
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    Thanks guys, I have the ATC. Sweet. Now I know which one I need.

    Awesome. Now if I didn't have a pile of work to knock out tonight, and it wasn't raining balls I could go and use this information. lol.

    When I get it all hooked up I'll post up pics.

  13. #13
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    I tapped the light down by the shifter that illuminates the PRND+/- and my gauges come on with the headlights and dim if I want them to. Just another source to consider.


  14. #14
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    thread saved to favorites!

  15. #15
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    I used the wire that Motor referenced.
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