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Re: Fitech guys, 12v source for white wire?? [Re: nd65] #2387708
10/15/17 01:00 PM
10/15/17 01:00 PM
Joined: May 2005
Posts: 4,679
Florida
BDW Online content
master
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Joined: May 2005
Posts: 4,679
Florida
That is a great idea, I found this pic that looks workable.
Problem is all the new ballast seemed to be completely sealed, not sure how well you could cut that ceramic material, seems brittle?


Re: Fitech guys, 12v source for white wire?? [Re: BDW] #2388072
10/16/17 11:27 AM
10/16/17 11:27 AM
Joined: Sep 2003
Posts: 19,237
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
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Joined: Sep 2003
Posts: 19,237
north of coder
a deft hand with a dremel type tool should work, with having the ballast clamped in a stationary position, to remove the unneeded ballast. but remember, the duel ballast has two different values, but i can't remember off hand what the resistances are. that is why there are locating pins on the plugs, to index the ballast slot. pick the side with the resistance you need, then gut the other side. hope this makes sense.
beer

Re: Fitech guys, 12v source for white wire?? [Re: nd65] #2388077
10/16/17 11:40 AM
10/16/17 11:40 AM
Joined: Aug 2007
Posts: 6,089
Valencia, España
NachoRT74 Offline
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primary resistor uses to be between .5 and 1.5 ohms

secondary 5 ohms.

several ppl has got success modifying the ballast ( per an idea I posted once ) to the ballast bypass replacing the resistor with a jumper wire on ceramic groove to those ign system doesn't need the resistor anymore ( such as FBO and some others ). In that way you don't need to hack the wiring and still keep the stock look on firewall, and get it back to stock just replacing the ballast again remaining the wiring untouched. The white stuff is simply epoxy, easy to remove.

now, using a dual ballast in place of the single ballast just to hide the diode, Dunno if will look right a bigger ceramic piece and unused prongs there. Simply wouldn't look right. If you already got a single ballast, is better just install parallel the diode between ballast prongs ( solding or using dual male/ single female spade kind splicers ) and protecting with shrinking tube. I think would be less noticeable than the weird uncomplete bigger ceramic stuff. My idea came on if already using a dual ballast with double plugs on engine harness


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: Fitech guys, 12v source for white wire?? [Re: NachoRT74] #2388082
10/16/17 11:54 AM
10/16/17 11:54 AM
Joined: Sep 2003
Posts: 19,237
north of coder
moparx Offline
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moparx  Offline
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Joined: Sep 2003
Posts: 19,237
north of coder
thanks for reviving my old memory on the resistance values natcho ! bow my idea of using the dual ballast was to hide the diode in the unused cavity, then use spades [factory tabs through the ballast] and re-wire the dual plug to connect the single ballast to the diode. it wouldn't look totally factory correct, but similarly correct, as you would be using factory terminals and a factory ballast. i guess it would come down to how the final appearance looked, and it's position on the car. hope i'm somewhat clear in projecting my thoughts on this idea.
beer

Re: Fitech guys, 12v source for white wire?? [Re: nd65] #2388230
10/16/17 04:17 PM
10/16/17 04:17 PM
Joined: Aug 2007
Posts: 6,089
Valencia, España
NachoRT74 Offline
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yes... could be nice too... One groove with the resistor, the other groove with the diode. Just would need just to jump out on dual ballast plugs on both sides. Blue wire is already done actually from factory on existant dual ballast setups, just would need to jump the brown side between both prongs straight at the same plug like blue wires are already done.



This is of of course you are using a 4 pins ECU, not 5 pins. You would be sacrifing the secondary resistor what feeds the unexistant pin on 4 pins ECUs

and as mentioned ALLWAYS conecting same plugs on same side of ballast, never reversed like being just a resistor doesn't matter.

Last edited by NachoRT74; 10/16/17 04:29 PM.

With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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