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Old 09-07-2018, 11:49 PM
badaboom's Avatar
badaboom badaboom is offline
AMC 4 OH! 1
Join Date: Jun 05, 2001
Location: High Country Colorado, USA
Posts: 3,752
Electric issue with headlights on

Well I have most everything light wise working although I have one issue that seems it would be a simple issue that's causing nothing but problems

headlights off All turn signal brake lights etc function correctly.
except the front parking lights won't blink

Turn the headlights on and the turn signals and hazard lights will not function. All of them

Also any help on wiring in the floor high low dimmer relay switch would be greatly appreciated.

I know from schematics there are two gray and one red wire 16 gauge.
gray H gray L red is power most probably
I see them from the engine well firewall side dandy to fuse block.
But over on the other side of the fuse block inside the cab I can't find JACK and any corresponding hook ups to the floor H/L dimmer switch.
Any help or good diagrams references appreciated.
Something is drawing current
Working on vehicle noted below
1981 Jeep J10 Laredo, 401-V8, 625 Carter, Lunati 262/268, Edelbrock Performer, MSD Ign., Hydroboost, Hyd. Clutch, Flow Cooler WP, Be Cool Aluminum Radiator, Doug Thorley, NV4500 5-Spd, NP-231D, 3.73 F/R Trac-Locs, Rustys 4" Lift, Vintage Red Metallic, Black Interior and 33X10.50X15 BFG, FiTech400 to come - IN PROCESS Bling Bling Cha-Ching
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Old 09-08-2018, 04:53 PM
nograin's Avatar
nograin nograin is offline
304 AMC
Join Date: Dec 19, 2000
Location: Philadelphia, Pa., USA
Posts: 2,066
My guess is a ground or hot is crossed somewhere. Somewhere being in the turn signal circuit. The headlights and parking lights each get power from different sources. So its not lightly related to the dimmer or headlights.

Power to the headlight switch for the headlights comes directly from the main splice. That wire is hot at all times. Circuit breaker is inside the switch.

Not sure what you're looking for help on regarding the wires themselves.
There's a fuse for hazzard/clock and brake lights.
A seperate fuse for directionals.
And a third one for parking lights on all four corners.
'85 Grand Wagoneer
360 727auto, NP229
body by beer (PO)
carries wood inside
no "wood" outside
My other car is a fish
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Old 09-08-2018, 07:38 PM
Tripwire's Avatar
Tripwire Tripwire is offline
hey,does anyone here know how to.......
Join Date: Jul 30, 2000
Location: WA State
Posts: 4,429
I vote for the ground problem as well - look at the schematics and hunt down the ground connections

Abort? Retry? Ignore? >

86 GrandWag. Howell fuel Injected 360. MSD Ignition + Dizzy. 727/229 swap BJ's 2" Lift and 31's

88 Wrangler 4.2, Howell TBI and MSD - Borla Headers w/ Cat-back + winch and 31's AND a M416 trailer (-:
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