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#1248920 12/31/2017 4:49 PM
Joined: Aug 2013
Posts: 217
C
Shop Shark
Shop Shark
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Joined: Aug 2013
Posts: 217
Finally got around to following Hot Rod Lincolns advice, and added a heavy duty headlight harness from LMC to my 55 2nd truck. Its a plug and play harness and comes with two 30 amp breakers. Now the power, for the headlights, comes directly from the battery and does not go thru the stock headlight switch and circuit breaker. Stock headlight switch still functions as original. I had added halogen headlights to my truck several years ago, and they would overheat the circuit breaker on the stock headlight switch sometimes. (Not good!) Harness was complete, ready to plug in and very nice quality, $30. I did have to cut 1inch holes thru inner fender panels to route harness to headlights. Thank you Hot Rod, you da man!

Last edited by capnduane; 12/31/2017 11:43 PM.
Joined: Feb 2004
Posts: 28,674
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
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Joined: Feb 2004
Posts: 28,674
Headlight relays are nothing new- - - -Dad's shop was installing them on 6 volt vehicles in the early 1950's, and other drivers would flash their lights at cars with the relays installed, thinking the driver had failed to dim his lights. Running voltage all over the place before it gets to the headlights just naturally drops a lot of light output due to circuit resistance. Glad it's working for you!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
Joined: Aug 2013
Posts: 217
C
Shop Shark
Shop Shark
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Joined: Aug 2013
Posts: 217
A lot of people here in Southern California don't have a clue what high or low beams mean. They just drive in whatever the lights are set. The cops don't seem to enforce this at all. We see the super bright blue/white headlights and all one can do is look to the right until they pass. Sign of the times, I guess..... But let me say, my old '55, now with the halogen lights and heavy duty harness, has some killer high beams when needed!

Joined: Jun 2011
Posts: 5,096
E
Crusing in the Passing Lane
Crusing in the Passing Lane
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Joined: Jun 2011
Posts: 5,096
Cops don't enforce that and other laws in Colorado, either.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: May 2005
Posts: 270
5
'Bolter
'Bolter
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Joined: May 2005
Posts: 270
I like to install a relay on brake lights as well. Some brake light switches don't operate with a snap action and the relay helps prevent frying the contacts of the switch. Especially true for the line pressure switches some systems use. It also takes load off the brake switch when pulling a trailer with lights.


Moderated by  Jon G, Rusty Rod 

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