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1998 Econoline Headlight socket voltage

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Old Jul 3, 2020 | 10:46 PM
  #1  
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turbogus
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From: Albany, Good Ol' USA
1998 Econoline Headlight socket voltage

Moderator please pardon the multi thread.
So I retrofitted the original composite headlights and Viola! They function correctly save for having to replace a fuse. The strange thing is the conversion worked properly for a couple of weeks then a failure where the Hi beam was okay but the Lo beam was lighting both Hi and Lo in the H4 shells came about. The relay circuit that I set up was using signal from the original headlight socket the wire for Lo beam Red to the relay and for Hi beam Green to another relay.
This was the state or the wiring when they were working with the conversion. Then, after a couple of weeks I noticed that the O.E. wiring went funny;


This I considered normal but the Lo beam on and this is the result;



This just doesn't seem right to me, but plugging in the composite headlights and they function normally.
WTF am I missing here?
 
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Old Jul 4, 2020 | 06:41 AM
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You might post this in the Elecrical & Wiring sub-forum TG---I think I know what's amiss but those guys will have definite answers. I would suggest greatly condensing your conversion process to what you did with the relays etc. Certainly add the new voltage readings you've discovered.

HTH
 
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Old Jul 4, 2020 | 03:04 PM
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Thanks JWA, I was kinda bummed so I didn't even think of that.
 
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Old Jul 5, 2020 | 05:25 AM
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Originally Posted by turbogus
Thanks JWA, I was kinda bummed so I didn't even think of that.
Yeah I get that----BTDT myself.
 
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