this is where I traced the power to so far, no I have to start un taping stuff to trace it further.
getting close!! help please.
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
As I recall at the wiring junction under the master cylinder my 68 has two 4 wire plugs. I don't know if 67 the same. Is it possible you accidentally plugged the wrong ones together? Or your PO did?
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
the PO was an idiot he was high off his rocker when he sold me the truck, the turn signal switch is an after market that he hooked up and I guess he was way off when he done it, left turn signal works in the front and flickers in the rear (due to brake lights staying on) right signal gives me hazards! and when I hit the brakes then I get a solid left signal! i'm at a loss for words on this. im no good with wiring and I can really trace the wires cuz they are all taped up and just pieced together. please someone help me lol
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Senior User
Joined: Dec 2011
Posts: 347
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From: East Bernstadt Kentucky
doesn't look like PO hacked into the wiring under the MC but when I unhook the headlight switch then the tail lights go off. I'm not sure what this means or how to fix it. I completely unwired the after market turn signal switch which is a signal-stat 900. I am going to rewire it as soon as I get the tail light situation resolved.
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
the headlight switch works fine to turn on the headlights and front running lights, could it cause my tail lights to stay on even when the switch for the headlights is in the off position? I don't know how any of this stuff works.
Logistics Pro
Joined: Nov 2003
Posts: 4,371
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From: PA
I wonder why some peoples trucks have a constant hot and some don't? That's weird I never had a car that only worked when ignition on. Back to your wiring mess the PO left you with. Looks like you may need to just start at the tail light end of the harness with a volt meter and trace the wiring up to the cab and keep checking for splices into the light harness if you see any take them off and see if the wire is hot if not keep tracing and dis connecting and wires to see if they go out if you reach the harness connector and still no luck unhook it and keep on tracing can be a long frustrating process and confusing but your bound to find it as for the turn signal switch I'd get a new one made for your truck if the PO wired in a random switch who knows what's going on also check and clean your grounds
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
thank you very much. I will do that tomorrow if it isn't raining cuz im out of gas and cant get in the garage 
as far as the turn signal switch I will prolly go to a local ford graveyard and grab a whole column, I find that easier since mine is missing all the insides!
as far as the turn signal switch I will prolly go to a local ford graveyard and grab a whole column, I find that easier since mine is missing all the insides!
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
in this photo I traced where the hot wire comes from, why is my main lamp switch causing my brake lights to stay on?
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
there is one hot wire coming into the light switch, which is the larger gauge wire looks like it is black with an orange(ish) stripe. maybe the is something wrong with my switch that is making the lights stay on? they haven't always done that and I haven't changed the wiring to the lights.
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
well, lol. the redneck fix all has stayed true to itself. I took the headlight switch and banged it on the garage floor a few times and now my tail lights go off. But I do not get brake lights, would the brake lights be on the same fuse as the dome light?
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
Yep. Change the headlamp switch as I posted long ago. There must be an internal short to your taillamps. Ignition maybe, but not h/l
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
Ok well I'm going to go check and see if I have brake lights with the ignition on. Thank you JEFFFAFA! If I have brake lights with it on then I will go ahead and wire in my turn signal switch. Not sure how to wire it exactly, LOL.
Hotshot
Joined: Mar 2013
Posts: 14,255
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From: Phoenix, Az.
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Senior User
Joined: Dec 2011
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From: East Bernstadt Kentucky
I have ran into a problem yet again, brake lights will not work by the pedal right now so I got under the truck and cut the rubber back a little on each of the four wire for the running lights and brake lights, one for each filament. ill draw up a diagram to explain further what is going on with them.