07 catalog layout working 2/4/07 1:51 am page 46 headlight relay kits high beam headlight relay since the 4-headlight system was introduced in 1988 on gm pickups and suburbans owners of these vehicles have wondered why their low beams go off when the high beams are turned on no good reason we can think of these kits will increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode #30802 #30821 #30822 #30823 for for for for 1988-98 gm fullsize trucks and suvs 1999-2002 gm fullsize trucks and suvs 2003-2006 gm fullsize trucks and suvs 1998 and later chevy s10 and gmc t15 no kits for other oem brands available note 1 1988-98 gm trucks including trucks with low-beam daytime running lights note 2 1999-2002 gm trucks including trucks with low beam daytime running lights some `99 and later trucks wiring did not change if your head-light wires are tan and green use kit #30802 if purple and yellow use kit #30821 for other gm applications conta
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