Headlights

[ArmyEd]

I just recently installed a 350 in my K5, problem is the headlights won't work, i replaced the switch, and the harness all the blinkers and brake lights work, but not the headlights, am I missing something in the hookup process?

 

[FWP]

You got 12 volts at the headlight connector with the headlights on?????

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[Smitty]

Missing ground to the radiator support can also cause some fun. You would think that all those bolts going from the support to the fenders would provide a good ground but it doesn't always work that way. Should be a small wire going from the battery straight to the support.

Smitty

 

[surg82k5]

I would have to agree.. look for grounds, they can be a real pain. I had to just slow down and look at where thigs went before i took it all apart then i found one ground that i was missing, and it was causing the problems.
sergio

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[**DONOTDELETE**]

I had the same problem, and as the rest have said...it was the grounds

'84 K5

Chevy in my blood.

 

[Leadfoot]

Granted the core support is bolted to the fenders and the fenders are bolted to the cab, etc, etc but you have to remember they are all sitting on top of rubber or polyurethane bushings which provide electrical insulation. Make sure you have grounds from the engine block to frame, cab/chassis to frame, battery to frame, and core support to either battery or frame. If you replaced everything like you say, it is more than likely ground.
P.S. do your directionals and parking lights work?

If you didn't build it yourself, how can you call it yours.......?

 

[ArmyEd]

The directionals and the brake lights work, but no headlights

 

[88streetblaze]

I HAD A BROKEN GROUND ON THE PASSENGER SIDE NEXT TO THE BATTERY BOX AND IT KEPT MY BRIGHTS FROM WORKING,, CHECK FOR A BAD GROUND, OR THERE IS A CHANCE THAT A WIRE IS BUSTED AT THE BASE OF THE STEERING COLUMN (IF YOU HAVE A TILT) LOOK FOR THE CONNECTION A PHYSICALLY WIGGLE ALL OF THE WIRES TO MAKE SURE, MY BRAKE LIGHTS BROKE THERE I FOUND ONE BROKEN BUT THE OTHER WAS HOLDING ON BY THE INSULATION AND IT STILL LOOKED ATTACKED. (BUT I NOT SURE IF THE ALL OF THE LIGHTS ROUTE THROUGH THERE BUT I WOULD BET THEY DO......