gauge question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

nickbwilson · 12-08-2014, 02:13 PM

hey guys did the ls swap on my c10 im using the 90 suburban cluster my question is all my gauges work but no dash lights now do i have to have my headlights and tail lights wired up for these to work i replaced old wiring harness with a new one from speedway motors and havent finished any of the head lights or taillights wiring just wondering if thats the reason for no gauge lights???

BR3W CITY · 12-15-2014, 03:22 PM

brake lights and such are Ground-ON, so I don't think they would affect the dash lights. Have you tried just jumping a switched 12v to the cluster lighting to verify the lights themselves work?

12-08-2014, 02:13 PM	#1
nickbwilson Registered User Join Date: Apr 2008 Location: columbus indiana Posts: 86	gauge question hey guys did the ls swap on my c10 im using the 90 suburban cluster my question is all my gauges work but no dash lights now do i have to have my headlights and tail lights wired up for these to work i replaced old wiring harness with a new one from speedway motors and havent finished any of the head lights or taillights wiring just wondering if thats the reason for no gauge lights???

12-15-2014, 03:22 PM	#2
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: gauge question brake lights and such are Ground-ON, so I don't think they would affect the dash lights. Have you tried just jumping a switched 12v to the cluster lighting to verify the lights themselves work? __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD



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