Topic: Bulb Identification


Hannacroix    -- 09-27-2017 @ 11:28 AM
  Can someone suggest where I could find a conversion chart for bulbs on my 1940 Mercury from Ford part number to auto parts store (NAPA) part numbers? While checking out the tail lights, I find I have two different part numbers installed! One is a 1142 bulb, the other side is a 1158 bulb... Sure would like to get the right bulbs in place. (Also makes me question the other bulb used on the car...)
Thanks!


TomO    -- 09-28-2017 @ 7:05 AM
  The 1142 bulb is a 12 volt bulb with the prongs at the same level. The 1158 bulb is the 6 volt bulb with the prongs at the same level. The 1154 bulb is a 6 volt bulb with the prongs offset and the 12 volt equivalent is thew 1157 bulb.

The instrument bulbs are 53 bulbs and you can use 55 bulbs except for the clock if you need brighter bulbs. I for get what the dome light bulb is, but if you really need to know, I can remove the bulb in my car to check it.

Here is a link to a bulb chart for 6 volt bulbs.

http://www.taillightking.com/light_bulbs.htm

I use a flashlight reflector modified to fit in the housing and drilled out to fit the bulb base, to get more light through the lens.

I just purchased 2 LED bulbs to use in the tail lights. They are brighter than the 1158, but I am still evaluating them to see if they really make a difference in traffic. Here is the source that I used for the 170-1158LP LED bulb. If you use them, please let me know your opinion.

http://classicbulbs.com/

I tried halogen bulbs a few years ago and removed them after a night time run when my light switch got hot enough to begin smelling like burnt wires.

Tom


Hannacroix    -- 10-01-2017 @ 6:12 PM
  TomO...Thanks for the good info! I've picked up some 1158 bulbs from NAPA and have them installed. They look right, brightness wise. I will be pursuing the "flashlight reflector" modification in the near future. I have heard that the Halogen bulbs were questionable with stock wiring as you found out, so won't be going that direction! My Mercury is a convertible and is restored to original condition, so will be sticking to original type parts as much as possible. Thanks again for the info and links to the bulb chart.

Bill


TomO    -- 10-02-2017 @ 7:08 AM
  Bill, you are welcome and I would like to see photos of your car.

Tom


Hannacroix    -- 10-08-2017 @ 11:04 AM
  TomO,
Attached is a picture of my '40 Mercury. Sorry I took so long, but I wasn't sure how to add a picture to this text.....had to get my son to show me!!


TomO    -- 10-09-2017 @ 7:48 AM
  That is a very nice looking Merc. I hope that you are planning to bring it to Dearborn next year for the Grand National.

Tom


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