Hello all. I just picked up a 1985 F250 a few weeks ago and Ive got a few things Im trying to fix on it but I cant figure it out. The person who sold haad taked the dash apart at somepoint and lost the plastic covers that went over the indicator lights at the top of the instrument cluster. Ive got one of the lights that flashes every so often and I dont know what it is. Ive tried to find a diagram of which light is which but I cant seem to find anything. Until I can find new lamp covers I was hoping someone could tell me what each light means other than the turn signals(those are the easy ones). Any help would be greatly appreciated.

 

Where are you at, I might have an extra. Ill have to hit the shed, which light is flashing?

 

I went and looked at mine, from left to right i have EMISSIONS - LEFT TURN - FASTEN BELTS - HI-BEAM - BRAKE - RIGHT TURN - 4X4.

 

Im from Seymour, Indiana. Its the far right light that flashes. It doesnt do it often but Id like to know what it is so I can monitor it.

 

I have a spare one as well..........

 

Thanks for letting me know what they are. Hopefully its just a loose wire from him playing around behind the dash. Ill have to look into it sometime.

 

My inclination is to say far right is brake. The brake switch is toggled by a pressure differential between front and rear circuits. If I'm correct that this is the brake like, you have a leak in your brake hydraulic system.

 

Or a faulty proportioning valve (sticking centering valve).

 

They were differnt depending on options werent they...3rd to right is brake on mine as listed above

 

I know that 1980 was different but that's the only difference I'm aware of. Maybe
81-f-150-explorer will stop by tomorrow and clarify, I've seen him post it before.

 

You might want to check the E-brake mechanism if you think it's the brake light flashing. Usually the proportioning valve error light doesn't blink, it slides off center and stays there, unless the wire going to is is rubbing ground somewhere.

The 4x4 light could also blink if the wire going to the transfer case was rubbed through somewhere.

 

Thanks for the replies. Ill have to check on those items today to see if maybe its a loose or rubbed wire.

 

I have 3 bezels and all 3 are just like Archion's ... Two are 85-6, ones 84.

However, I do believe different options provide different indicators and positions.

I had this same problem on my 4x4 indicator and I think I just found the issue last night, there is a lite blue wire that comes out of the fire wall under the water separator and goes to the TC, I believe that is the 4x4 indicator wire (Anyone confirm this???), it had wedged itself between the inner fender and cab and shorted out.

I only found this because I pulled the clip last night.
(what a pain on the '86, took me two plus hours, it only took 38 minutes on the '91)

-Enjoy
fh : )_~

 

Quote:

Originally Posted by Festus Hagen

...there is a lite blue wire that comes out of the fire wall under the water separator and goes to the TC, I believe that is the 4x4 indicator wire (Anyone confirm this???)

Yup, I have one of those, too. It's an add-on circuit that gets installed when
4WD is installed. This bulb & circuit isn't handled by the printed circuit (that
handles most of the rest of the cluster - all but the Emissions light) but is
independently added.

 

I just looked at the dash of my 1986 F150 2 wheel drive and it is the same as described by Archion.

Could it be the brake light occasionaly blinking due to the master cylinder fluid level being low?

As a point of interest with regard to our indicator lights for 1980-1986... my son's 1984 F150 has a position which appears to be a non-funtioning "upshift" light. It is an upward facing arrow. He is in the military and his truck is not here for me to check, but I am pretty sure the indicator is on the left side.