Instrument cluster lighting.

[1968Ranger]

Ok, I preface this by saying Im bad with the electrical end of things.
My instrument cluster appears to be working-Speedo-fuel-temp- all functioning properly.

At night the backlighting will not illuminate. Ben and I pulled the cluster and checked the five bulbs. All appear in good shape. I do not own a meter to test nor would I know how to use one. (yes Im an idoit)

Does anyone have a suggestion on how to isolate the issue and fix.

The fuse box for the truck has all new fuses.
Thanks in advance.
Mike and Ben

[fordman]

does the light swithc have a broken coil wire thing ? that coudl make them not work at all.

[1968Ranger]

BROKEN COIL WIRE THINGY???????????? Please expound and I will investigate.

[fordman]

inside the ceramic white thing is a coil of wire. if it is broken then the lights wont work. this is a common problem.

[1968Ranger]

Is that the large round White piece behind the dash thats part of the ON/OFF light switch?

[fordman]

yes

[1968Ranger]

Thank you
Give me some daylight and Ill pull and replace it.
Go Heels
Mike

[flyboy2610]

It's called a rheostat.
http://www.fordification.com/forum/view ... at#p413046

[fordman]

i couldnt think of that word for nothing earlier. and i was so tired and sick feeling i didnt even want to do a search for one word. thanks john.

[FORDification]

If yours looks anything like this, needless to say it's DOA.

[1968Ranger]

Thanks Keith. I hope to fix tomorrow.
No more laughing at me

[flyboy2610]

Headlight switches aren't too expensive. You local parts store should have one.