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-   -   Lighting for speedometer and gas gauge (https://www.fordbarn.com/forum/showthread.php?t=280651)

bdtutton 05-06-2020 11:59 PM

Lighting for speedometer and gas gauge
 

Is there a way to backlight the speedometer and/or gas gauge? When I turn on the dash light it is distracting because it reflects off the windows at night and is even worse if it is raining. Does anyone have any good ideas that would make these gauges more useful at night?

redmodelt 05-07-2020 12:55 AM

Re: Lighting for speedometer and gas gauge
 

It would be kinda hard to back light the gas gauge as it is screwed into the tank. You might be able to install a bulb behind the face above the speed indicator so it could be illuminated. For checking the gas, maybe a flashlight would work to check. Are you saying in the rain the gauges are fogging up?

dumb person 05-07-2020 01:58 AM

Re: Lighting for speedometer and gas gauge
 

i turned the light off when i didn't need it. Put red cellophane over the bulb helped a bit. Not backlit but not as distracting.

old31 05-07-2020 03:47 AM

Re: Lighting for speedometer and gas gauge
 

I just turn the light on when I need it.

Steves46 05-07-2020 06:29 AM

Re: Lighting for speedometer and gas gauge
 

If you are running 6 volts, maybe a 12v dash light bulb will reduce brightness and strong reflection.

Kurt in NJ 05-07-2020 08:00 AM

Re: Lighting for speedometer and gas gauge
 

Do you have the cover over the bulb--- I drive a lot at night, don't notice any dash light reflection on other places, mine is a 31 with light up behind dash rail, all original parts

daren007 05-07-2020 08:31 AM

Re: Lighting for speedometer and gas gauge
 

You could drop a flashlight in the gas tank although I wouldn’t recommend it.

BRENT in 10-uh-C 05-07-2020 08:55 AM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by bdtutton (Post 1884435)
Is there a way to backlight the speedometer and/or gas gauge? When I turn on the dash light it is distracting because it reflects off the windows at night and is even worse if it is raining. Does anyone have any good ideas that would make these gauges more useful at night?

Is the Instrument Panel chrome plated, -or Butler finished? Also, do you have the correct 3cp bulb??

Jim/GA 05-07-2020 07:39 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by Steves46 (Post 1884471)
If you are running 6 volts, maybe a 12v dash light bulb will reduce brightness and strong reflection.

This is what I do. Works great! :D

You will think it is too dim at first, but once your eyes adjust to it, you can see the instruments just fine.

Doug Linden 05-07-2020 08:49 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by Jim/GA (Post 1884788)
This is what I do. Works great! :D

You will think it is too dim at first, but once your eyes adjust to it, you can see the instruments just fine.

I agree with Jim, have been doing this for years. A #67 12 volt bulb works just fine.

briphaeton 05-07-2020 09:54 PM

Re: Lighting for speedometer and gas gauge
 

I would like to get a LED bulb so it would get so hot.

Badpuppy 05-08-2020 09:02 AM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by briphaeton (Post 1884840)
I would like to get a LED bulb so it would get so hot.

LED bulbs come in bright, brighter and nuclear. Use the #67, it won't get very hot at 6V.

No bulb will get hot unless you leave it on all the time. Turn it back off after you check your gauges.

Jim/GA 05-08-2020 09:30 AM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by briphaeton (Post 1884840)
I would like to get a LED bulb so it would get so hot.

If you use a #67 12 volt, 3 cp tail light bulb in the instrument light on a 6 volt car, it will not get hot. You can leave it on all the time at night and not burn your fingers turning it off. It gives a nice glow on the instruments. :)

If you have converted your car to 12 volts (:eek:), then you use a 24 volt 3 cp tail light bulb in there, bulb number 1251, to get the same soft glow. They are kind of hard to find. Try ordering from your local NAPA, or order online.

mngreen 05-08-2020 03:12 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by Jim/GA (Post 1884960)
If you have converted your car to 12 volts (:eek:), then you use a 24 volt 3 cp tail light bulb in there, bulb number 1251, to get the same soft glow. They are kind of hard to find. Try ordering from your local NAPA, or order online.


I am running 12V and I tried the 24V bulb you suggested some time ago. Total waste of time as that bulb barely made the filament even glow!



Instead, I replaced it with a 12V LED bulb which works great with no heat.:cool:

The Master Cylinder 05-08-2020 03:20 PM

Re: Lighting for speedometer and gas gauge
 

I guess it may depend on the style of dash light, the '28-29 or the '30-31. I use a 'soft warm' LED in my '30 and it works fine. I imagine if you didn't have the cover on it, it may be a different story. As mngreen said, no heat.

Jim/GA 05-08-2020 04:49 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by mngreen (Post 1885112)
I am running 12V and I tried the 24V bulb you suggested some time ago. Total waste of time as that bulb barely made the filament even glow!



Instead, I replaced it with a 12V LED bulb which works great with no heat.:cool:

Sorry to hear that. It works well in my car.

I will admit, it takes a few minutes to get used to the dim light on the instruments.

Maybe your electrical connection or ground was not really good. LEDs take much less current so are less impacted by a bad connection.

mngreen 05-08-2020 05:07 PM

Re: Lighting for speedometer and gas gauge
 

No bad ground or bad connection---the incandescent 12V bulb that I originally had in there burned bright and HOT (for the last 40 years).


12V LED bulb now burns bright and COOL! :cool:


24V bulb :p

JoeCB 05-08-2020 08:50 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by Kurt in NJ (Post 1884500)
Do you have the cover over the bulb--- I drive a lot at night, don't notice any dash light reflection on other places, mine is a 31 with light up behind dash rail, all original parts

My IP light also has a shroud covering the bulb with only a opening facing down... no light upward to reflect off of the windshield.

Joe B

dumb person 05-09-2020 10:07 PM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by Badpuppy (Post 1884948)
LED bulbs come in bright, brighter and nuclear. Use the #67, it won't get very hot at 6V.

No bulb will get hot unless you leave it on all the time. Turn it back off after you check your gauges.

Haha. Reminds me of the first time i went to turn off the dash light & realized the cover was very hot. I think the cover fell off which was really annoying..

Anyway. If people find LEDs are too bright, i find colouring them in with a 'sharpy' (felt tip pen in my country) reduces the brightness quite well. Add extra layers of ink if you need it duller.

Quote:

Originally Posted by Jim/GA (Post 1884960)
If you use a #67 12 volt, 3 cp tail light bulb in the instrument light on a 6 volt car, it will not get hot. You can leave it on all the time at night and not burn your fingers turning it off. It gives a nice glow on the instruments. :)

Also good idea.

CarlG 05-10-2020 12:05 AM

Re: Lighting for speedometer and gas gauge
 

Quote:

Originally Posted by mngreen (Post 1885112)

Instead, I replaced it with a 12V LED bulb which works great with no heat.:cool:

Which LED bulb did you use?


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