Okay guys!

Problem #1: (First problem)Tail lights would not turn on. Signals and brake lights would turn on, tail lights would not turn on.

Answer #1: Redo connections under the body.


Problem #2: (Once Answer #1 was performed, this problem arose) Signal lights, when turned on while lights were on, blew the fuse.

Answer #2: Put in a bigger fuse.


Problem #3: (Once Answer #2 was performed, this problem arose) Signal lights, when turned on while lights were on, didn't work. Fuse didn't blow. Once lights turned off, signal started to work.

Answer #3: Shook around the light switch (not turn signal switch) (I think that fixed it, I mean, it's not doing it anymore...and I didn't do anything other than that...)


Problem #4: (Once Answer #3 was performed, this problem arose) Brake lights worked, turn signals worked. When lights were turned on, driver side rear tail light would brighten as if brakes were on. Once lights were turned on, driver side rear signal would not work.

Answer #4: Flip bulb around. (Don't ask me how this fixed it, but it did)


Problem #5: (Once Answer #4 was performed, this problem arose) Front signals worked, lights worked. When lights were turned on, driver side signal light would be continuously bright as if the signal was jammed on bright. When lights are off, it works fine, when lights are on, signal light would be continuously bright.

Answer #5: Still unknown



Finding #1: After giggling the switch, when turned on, my interior light worked. It had not worked before, but after giggling the switch, it turns on.

Finding #2: When lights are turned on, smell of burning electronics.


My guess: Light switch needs to be replaced.

Your guess: You tell me.


Please help! I have until Thursday to get my truck inspected so I can drive it. The only problem that I have left is Problem #5. Please help!

 

Without having seen anything (WHAT fuse blows?) my guess is you've got primarily bad
grounds causing a lot of your problem, likely combined with one or more of the following:

- Dirty/malfunctioning headlight switch
- Shorted dual-filament light bulbs

Look at the inside of your dual-filament bulbs (the ones in the tail lamps). If one of those
filaments breaks inside and remains connected on one side but the filament crosses over
and touches the other filament, all sorts of weird problems can result.

The brake lights and turn signals use the same filament in those bulbs, the tail lamps use
the other filament.

Using a larger fuse is NOT a good way to "fix" a problem, it only masks it and causes
worse problems (as you smelled).

The turn signal activates the brake/signal filament in those bulbs (two in the front, two).
When you step on the brakes while the emergency flashers are on, the emergency
flashers SHOULD stop flashing and the brake lights in the rear SHOULD remain lit.

Owner-added trailer lighting causes many of these problems, as can owner-added-ANY
wiring if done improperly.

Read this by oddshot:
https://www.ford-trucks.com/forums/8...t-running.html

Using a larger fuse is NOT a good way to "fix" a problem, it only masks it (which you
later smelled).

 

So due to the bigger fuse, that's why i'm smelling it burn?

Also: I've looked at my lights in the back. They are brand new, and both of the filaments are connected in the right place.

 

Another question....


How do I turn on my emergency flashers?


My Bronco has a switch...

My 85?

No switch.

 

one of the 4 light bulbs blew, and the filiment is laying acrossed the other causeing a short. fix it, then put the right fuse back in before you burn up the headlight switch harness connecter.

 

Note: I only put in the bigger fuse because it blew up the 5 other fuses... And I ran out.

 

switch is on the column unless someone removed it, should be by the key area.

 

bigger fuse will let the wireing/harness burn out, fix the 1st problem before you wind up with a second one.

 

in re reading my posts, I seem a little harsh, and did not mean too, I just want for your truck not to get fried.sorry If I came off wrong too you.

 

As stated, the emergency flasher switch should be on the underside of the steering column,
near the ignition lock cylinder.

Depending on year, there is a ground connection behind each tail lamp assembly (some
years are easier to find than other years). There are two for the front lamps under the hood,
inside the engine compartment, right near each side marker lamp. There is at least one
behind the dash, near where the radio goes, on the horizontal dash supporting frame.
There might be one on the driver's side B pillar (aka the door jamb, in this case, the one
on the driver's side) down near the rocker panel.

The most suspicious ones are those that are exposed to the elements.

Next most suspicious is owner-added wiring... trailer harnesses, trailer brakes, radios,
etc.

IIRC replacement headlight switches from auto parts stores are around $30 but I may be
wrong there.

Faulty turn signal switches have been known to cause weird problems, too, but not this
kind (at least not that I can recall seeing).

 

I've looked for the hazard switch. It's not anywhere on the column.

And it's alright charlie.
I would hate to see someone else ruin a Ford.
I could see why you'd ask the way you did.


So yeah. No hazard switch.

Tomorrow, I will head into town and get more fuses, look at all the bulbs, and find all the grounds.

 

The purpose of a fuse is to protect the wiring; running a large amount of current through a
too-small wire results in melted insulation and shorted-out circuits and sometimes a fire.

Your front turn signal bulbs could also be causing a problem (shorted filament) even though
the problem is exhibited in the rear lamps.

 

Have you looked at this thread?
https://www.ford-trucks.com/forums/9...-question.html

 

Read it?

I've posted in it.

 

Quote:

Originally Posted by Wicked Endings

Read it?

I've posted in it.

Right, you asked questions, but did you read any of the answers? This one here
is particularly good and looks like it could apply to you:
https://www.ford-trucks.com/forums/9...ml#post8876286