Hello Everyone; First time user, first time poster.

I am the proud owner of a 1999 Ford F-150 4x4 Pickup with a 4.6 Litre V-8.

I purchased this truck approximately 1 year earlier from a guy who assured me that there was nothing what so ever wrong with it.

My problem simply put is this, my Dash Lights keep blowing fuses and going dark and my wipers every once in a while will come on for just one rotation, sometimes with one rotation but every 3-4 seconds for 3-6 times.

I bought and installed a new light switch to no avail. Have not tore down the dash to check schematic issues simply because I would not know where to look, which is kind of where you guys come into play hopefully.

Can someone please lead in the right direction on where to look on the Schematic?

I have a Hanes manual for reference so I might be able to understand where to go if and when I get some help frome someone.

Thanks in advance for your help and I want to say that in spite of these problems I am very proud of this truck and just love it.

Have a great day
Terry.

 

This is the 2009-UP F150 forum.
You may have better luck finding an answer in the 1997-2003 F150 forum here ...
1997 - 2003 F150 - Ford Truck Enthusiasts Forums

 

hummm ...

as i understand it, some of these trucks will automatically turn your headlights on when you turn your wipers on.

is it possible that your multi-function-switch (turn signal) is bad, causing your wipers to cycle and also playing havoc with your dash lights at the same time?

as for a schematic, you might have to go to Ford and get a Ford manual to get a schematic that is worth a darn. Haynes and Chiltons will have the basics, but i'd doubt they'd have something in there like what you are looking for.

beeing an 09 .... any chance you still have a bumper-bumper extended warranty? make someone else figgure it out and save yourself some time?

keep us posted!

 

He said its a 99, I think the warranty is out

 

First what fuse or fuses are blowing? This gives a lead on the specific circuits.
Next, the GEM module may be the source of the issue.
Look for a windshield leak in the area of the inside fuse panel.
Don't take anything apart until you get this basic info so you have some idea of what your looing for.
Good luck.