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fogs/short/multimeter

Discussion in 'Lighting' started by rab89, Oct 5, 2009.

  1. Oct 5, 2009 at 6:01 PM
    #1
    rab89

    rab89 [OP] Well-Known Member

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    Ross
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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    I have some fogs on my truck, they were wired to a switch, the switch kept blowing so I cut the wire under the hood and ran it into the DTRL fuse, I like the idea of it, but I'm not sure if the switch was blowing because of a short or what?
    I picked up a multimeter the other day and am still learning to use it, how do I check for a short with my multimeter?

    and lastly, I'm not using a relay, should I get one?

    thanks again TW!
     
  2. Oct 5, 2009 at 6:25 PM
    #2
    98tacoma27

    98tacoma27 :POOPCORN: Thor

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    Yes use a relay. If it was shorted, you should have a blown fuse. Or the switch was underrated for the lights. This would make it act like a fuse.

    A short means a direct path to ground (in this case). You would have your meter set to Ω. You need to find the side of the switch where the power would go to the lights when the switch is thrown. One lead will be on that and one goes to ground. If you get a small reading then there is a short.
     
  3. Oct 5, 2009 at 6:35 PM
    #3
    rab89

    rab89 [OP] Well-Known Member

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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    I didnt have a fuse in the line so no blown fuse.

    if I take out the wire from the dtrl fuse slow, and connect the positive lead to the wire and the negative lead to my battery ground is that gona work? (very new with the meter)
     
  4. Oct 5, 2009 at 6:38 PM
    #4
    98tacoma27

    98tacoma27 :POOPCORN: Thor

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    As long as the wire isn't the Batt +, yes that will work. And get a fuse in there.
     
  5. Oct 5, 2009 at 6:50 PM
    #5
    rab89

    rab89 [OP] Well-Known Member

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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    sounds good, I just pulled the truck into the garage, I'll let you know how it goes, and I have a fuse too so i'll set that up
     
  6. Oct 5, 2009 at 8:42 PM
    #6
    rab89

    rab89 [OP] Well-Known Member

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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    Alright so I checked the wire with my multimeter, It was showing 0.5 ohms, which from what I read is good to go. so I put a fuse in, checked it again, and everything was good so it's all up and running now.

    thanks 98tacoma27!!!!!!!
     
  7. Oct 6, 2009 at 6:20 AM
    #7
    98tacoma27

    98tacoma27 :POOPCORN: Thor

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    5100's all on fours
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