From experience... I suggest you do the headlight relay mod if you plan on driving it after dark. It made a huge difference on mine when I did it. The problem is the wiring is so tiny from the factory that it can't carry sufficient current to power the headlights correctly.
1969 Chevy RCLB C10 350/TH400 SOLD
2007 Chevy RCSB 4.8 4x4 LS SOLD
2008 Chevy RCSB 5.3 4x4 LT SOLD
2010 Chevy CCSB 6.2 4x4 LT SOLD
2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
2013 FORD CCSB F350 6.7 Powerstroke 4x4
I don't know this one, can you explain more?Originally Posted by pl4yboy
Gone, but not forgotten!
i dont know the exact instructions but I think its When you ground out the headlights so that when you hit the high beams all four lights come on
1951 3100
1984 C10
What it involves is using the wire that originally powered the headlights (lows and highs requires two relays) to trigger a relay closed (instead of powering the lights). The relays are mounted under hood near both a solid 12V source and the lights....so the output voltage that lights the bulbs has only a short distance to travel (less voltage drop) and the input voltage is much stronger. Makes a night and day difference.
I didn't know you were this far along? Looks good! That intake setup looks very familiar?
Jamest
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La Viuda negra/ a.k.a. Black Betty
LQ4 6.0L, WCCH HEADS, LEVEL 5 FLT 4L80E TRANS. WITH TRANS BREAK, YANK 3200 STALL, TRICK TURBO, TURBONETICS T-76 TURBO, CUSTOM INTERCOOLED, 68lb INJECTORS, CUSTOM S/D TUNE FROM NELSON PERFORMANCE, COMP CAM 212/214 .557/.559 116+2, SNOW METH. KIT, . ALL INSTALLED AND DYNOED AT NELSON PERFORMANCE: 5**?HP @ 5073rpms and 5**TQ @ 4389rpms AT THE WHEELS WITH 10 PSI OF BOOST. ALL 3/4 TON TRUCK 5435LBS, NOTHING TAKEN OFF, STREET TIRES, AND USUALLY 2 BABY SEATS. WANNA RIDE?
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hey sc ,looking good.that fuel pump should get mounted with the rubber mounts,itll quiet it down.i had the same issue with mine,till i did.the noise travels through those brackets also and will vibrate on the frame ,even if u have the **** tighed out of it .I actually had better luck making it quiet by loosening the bolts alittle instead of tightening them to tight .i just listened as i repositioned the bolts ,tighter and looser.good luck ,i know what youre hearing,i had that same vibrating noise,but now i can hardly hear it ,not much loude than stock.
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .
Give me a minute and I'll pull up a tutorial on 67-72. You're a member there right?
headlight relay install - The 1947 - Present Chevrolet & GMC Truck Message Board Network
Last edited by pl4yboy; 02-15-2009 at 04:27 PM.
1969 Chevy RCLB C10 350/TH400 SOLD
2007 Chevy RCSB 4.8 4x4 LS SOLD
2008 Chevy RCSB 5.3 4x4 LT SOLD
2010 Chevy CCSB 6.2 4x4 LT SOLD
2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
2013 FORD CCSB F350 6.7 Powerstroke 4x4
Did that for highs and lows on my Chevelle and it was totally worth it!
can you do that on a 80 model chevy with dual head lights?
if so how
Yes. Mount the relays (one for lows one for highs) up front near the battery. Use a 30 amp breaker to power the load inputs to the relays. The load output from the relays hook to the wire that was hot going to the headlights. Ground the relay coils to a good ground under hood. The wires that were hot from the switch now triggers the relays.
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