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Old 07-28-2021, 04:42 PM   #2
Richard
Senior Member
 
Join Date: Dec 1999
Location: Southern California
Posts: 1,753
Re: Wiring halo turn signals, delete bumper signals

Not fully understanding the info here. Year of truck and type of headlight would be useful.
The factory turn/running light harness should have two wires. Both are +12v one is for turn and the other for running light. Ground is through the housing. Use a meter and check from each wire to ground. The one that pulses on and off is your turn. The other wire should be hot when running lights are on. If your new headlight only has one wire to the indicator it most likely is possible to wire in relays to make it blink when running lights are on. Otherwise you will just have turn and no running light.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746
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