chevy/GMC headlights
Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=38590
Printed Date: May 15, 2025 at 9:50 PM
Topic: chevy/GMC headlights
Posted By: fire2050
Subject: chevy/GMC headlights
Date Posted: September 04, 2004 at 5:37 PM
as most of you are aware, gm trucks he two headlights one for low beams and one for high i was wondering what the easiest way to make my low beam headlight stay on wehn my high beams are on is
Replies:
Posted By: Velocity Motors
Date Posted: September 05, 2004 at 12:18 PM
Not recommended unless the high and low beam fuses are on opposite circuits. If they share the same circuit, you could loose both lights at the same time when you flick your high beams on.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: fire2050
Date Posted: September 15, 2004 at 5:55 PM
well i figured out how to do it(they are on opposite circuits) i got a relay and connected it like so..
85- Ground
86- high beam + wire when on(used the wires @ lights)
30- low beam + wire when on
87- 12v+ Constant
87a- none
now it lights up bright as day...i only use whne in the oc**try so im not going around blinding people....but you could
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