Light bulb chart

Electrical and Ignition

  1. toolmanmike

    toolmanmike Moderator Staff Member FABO Gold Member

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    • Stephen Mulkey

      Stephen Mulkey FABO Gold Member FABO Gold Member

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      Thanks for the link Toolmanmike.
      Great info to have.
       
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      • LO23M8B

        LO23M8B Well-Known Member

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        Anyone using led's in dash lights if so any good ones and any issues.
         
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        • toolmanmike

          toolmanmike Moderator Staff Member FABO Gold Member

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          I hope @slantsixdan doesn't mind me inviting him to the conversation but he is a expert.
           
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          • Dana67Dart

            Dana67Dart The parts you don't add don't cause you no trouble FABO Gold Member

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            Just say no to LEDs, save yourself the headache,
             
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            • 1969383S

              1969383S FABO Gold Member FABO Gold Member

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              My C pillar Opera lights in the FB fish are the only ones that are LED.

              Two things, the original 110 festoons are near impossible to find regularly and overheated the sockets like crazy.

              Second they pull nearly 2.5 amps each! This is a good reason for the LEDS at least in this location.

              All other bulbs in my fish are the original type! My dash and more lights up just fine for me with the standard bulbs!
               
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              • Scamp Rhonda

                Scamp Rhonda Well-Known Member

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                • slantsixdan

                  slantsixdan =..=

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                  See here. Get the good ones and don't faff around with off-brand Chinese trinkets.

                  The only "gotchya" points are minor: LED means Light Emitting Diode. A diode passes current in only one direction, not both like a filament. So if your car has a single green pilot light that flashes no matter whether you're signalling for a right or left turn, don't put an LED in it. And for the rest of the dash lights, it matters which way round the bulb is installed in the socket (or the socket in the circuit board). If the LED is installed backwards, it won't light when it should. If there are other LEDs in the system (as there are in the dashboard) then just one backwards LED can create weird new paths for electric current that shouldn't be there, causing a no-light or no-light-when-supposed-to or light-when-not-supposed-to situation.

                  So, fashion a jumper to ground the cluster properly (when installed in the dashboard it grounds via dashboard metal). Install one LED bulb/socket assembly. Try it out to see if it works correctly. If it doesn't, remove it, turn the bulb or the socket (not both!) 180°, and reinstall it so it works. Then move on to the next one: install one more LED bulb/socket assembly and try it out. Proceed this way until all the bulbs are installed and working.

                  Note the links provided here are for wedge-base bulbs as used in '66-up cars. Legitimate bayonet-base LED bulbs are much scarcer and more costly; easy workaround is to install the '66-up dash bulb sockets for the wedge-base bulbs. They fit right in place of the earlier sockets.
                   
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                  • toolmanmike

                    toolmanmike Moderator Staff Member FABO Gold Member

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                    Thanks Dan. As always, great information.
                     
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                    • cruiser

                      cruiser Well-Known Member

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                      I've n
                      I've noticed that the 158 bulbs in my dash cluster don't illuminate the dash very well at night. Has anybody found a higher wattage bulb that will work in the place of the 158s that won't fry your dash electrics? Thanks.
                       
                    • toolmanmike

                      toolmanmike Moderator Staff Member FABO Gold Member

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                      168's I believe if this chart is right.
                      158 is a 3.36 watt lamp.
                      168 is a 4.9 watt lamp.
                      194 is a 3.8 watt lamp.
                       
                    • Mattax

                      Mattax Just the facts, ma'am FABO Gold Member

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                      Always best to check the owners and shop manuals.
                      Am I saying there are some differences between Classic's chart and what Chrysler listed? Yes.
                       
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                      • Dana67Dart

                        Dana67Dart The parts you don't add don't cause you no trouble FABO Gold Member

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                        Remember higher wattage equals more heat.

                        I fried some trailer light lenses putting higher wattage bulbs in.


                        Could be your headlight switch rheostat has excess resistance.
                         
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