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theZman
PostPosted: Mon Mar 21, 2011 9:22 am 
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ok so i ordered the upgraded headlight harness from black dragon. now from what i was gathering was that this would plug into my existing wiring. but the plug is different than my factory plug. the plugs for the headlights are correct but the plug to plug into the existing wiring is different. any help sould be great.

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Mike Tubiak
1978 Datsun 280Z - HLS30-438694
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theZman
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PostPosted: Mon Mar 21, 2011 9:24 am 
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this is the harness.


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Mike Tubiak
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Frank T
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PostPosted: Mon Mar 21, 2011 9:41 am 
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When mine came from MSA, it was a plug-in (bless the simple 240Z). The fusebox got swapped out at the same time, which waz more complicated.

The upgraded loom contains two relays, correct?

Frank

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theZman
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PostPosted: Mon Mar 21, 2011 9:46 am 
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yep. but i can't figure out how to plug this harness into my existing harness without upgrading other pieces too.

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Mike Tubiak
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bobby00415
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PostPosted: Mon Mar 21, 2011 9:55 am 
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Its funny that you posted this Mike. I was just looking at them for my 240 last night. I just had my turn and headlight switched rebuilt and I was looking to do the upgrade, but not sure what it involves. Frank did this help alot, and was it easy to install.

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CygnusX1
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PostPosted: Mon Mar 21, 2011 10:18 am 
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Are these the units that Dave Irwin fabricates?

http://www.classiczcars.com/forums/show ... hp?t=20365

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PhrogZ46
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PostPosted: Mon Mar 21, 2011 10:25 am 
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The ones from black dragon are made in Taiwan or something. Mike, are the plugs the same as in the picture you posted?

If they are, think for a second. Just think how they would connect to the circuit and where the electricity needs to go. Its a lot simpler than you think.

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Last edited by PhrogZ46 on Mon Mar 21, 2011 10:31 am, edited 1 time in total.

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theZman
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PostPosted: Mon Mar 21, 2011 10:30 am 
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yep Chris that is the exact harness i received.

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Mike Tubiak
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PhrogZ46
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PostPosted: Mon Mar 21, 2011 10:37 am 
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I didn't have to modify my harness or the headlight harness at all to install it, besides removing that day-glo yellow sheathing. Unless you want to cut a hole in your headlight buckets though, you will need a tiny flathead screwdriver to gently remove the three pins from the headlight connector....

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Frank T
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PostPosted: Mon Mar 21, 2011 10:38 am 
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I got the whole sheebang at one time. Forward loom, fuseblock and headlight harness. Everything plugged in together right in my driveway, but it should be done systematically (pull one loom as you replace it with the new one). That makes it easier. The fuseblock was beyond my capability since the plugs were not exact. Vinny looked at it and popped it together in less time than I can tell about it.

The results were great. The new headlamps look like aircraft landing lights in the dark, there is no excessive draw off the circuit and I haven't blown a fuse since the swap, whereas I was changing 1-2 a month before.

My only complaint is that sometimes (only sometimes) I'll twist the headlamp switch and they won't come on. I twist the switch again and they do. I suspect the switch, not the relays.

Frank

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PhrogZ46
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PostPosted: Mon Mar 21, 2011 10:42 am 
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Yeah, I pulled my headlight stalk apart one time to inspect the switch. All it relies on are these two plastic nubs that are pushed against the electrical contacts. There's so much amperage going through that system that the heat eventually melts the plastic...

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theZman
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PostPosted: Mon Mar 21, 2011 10:43 am 
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but where does the third 3 prong connector go? i know 2 of them go to the headlights but where does the third one go.

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Mike Tubiak
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theZman
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PostPosted: Mon Mar 21, 2011 10:49 am 
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where does this plug into?


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Mike Tubiak
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PhrogZ46
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PostPosted: Mon Mar 21, 2011 10:53 am 
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8)



Come on, man! Work your brain muscle!

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PhrogZ46
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PostPosted: Mon Mar 21, 2011 10:56 am 
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Hint: Where you THINK that three prong plugs into may not be where it should go...

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