Okay so i know its for daytime running lights but only because of the module says so. The truck came with this already attached to it. Idk what the previous owner was trying to do, can u tell me what its hooked up to and if he hooked it up right? i dont have any daytime running lights attached to my truck. The ground wire isnt shown in the pictures but it goes off to a little switch, you can view that from my other post . This is all under the dash near the pedals. The photos are in order from the module down the line to the connections.

The last picture the wires are connected to yellow. grey and yellow. red and black

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1997 XLT Supercab 2.3L manual with 4.10rear
2.5 exhaust throughout with Flomaster 40 Delta
216k miles

I am no electrician but something doesnt look right to me. Hopefully someone who knows what they are doing can help.

my guess would be someone added DRL to the truck.
if this is the case and its been done right, your headlights should be at half voltage with the truck running.

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2007 FORD RANGER XLT EXTENDED CAB - 4.0, 4x4, 5sp
Ultragauge, 10" L7 W/ 2200W PA Amp, CB W/4' Fiberglass whip, PA system, LEER shell w/led 3rd brake and custom remover, LED taillights in mudflaps, 5K 55W HIDs, Aux reverse lights, DIY bed liner, Hellas, Bed mat (cut up livestock mat).

they arent on at all when its running

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1997 XLT Supercab 2.3L manual with 4.10rear
2.5 exhaust throughout with Flomaster 40 Delta
216k miles

turn on the truck, then flip on the "Litte switch" you mentioned. Do the headlights come on at half power now?

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2001 Ranger Edge 4x4 (sold)
2006 F150 Lariat 4x4 (sold)
2007 Explorer XLT (Destroyed by Deer on highway)
2014 Explorer XLT (inherited from parents)