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Old 03-25-2019, 06:03 PM
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m22mike m22mike is offline
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Default Park light tools

The following can be used on many GM parking lights that use the same lead assy.



Tool With blue handle is made from a Channellock #748 plier.


Tool with the black handle is a Craftsman needle nose (needto be short and stocky)


The holding fixture I made from an aluminum union cut inhalf. Anything similar would work.


One item not shown is a piece of round stock turned to fitthe un bent copper crimp. Clamped in a vise and used to dolly and straighten theflange with a small trim hammer.

  • With the Channellock tool start un crimping thecopper ferrule in small steps 360*. Make several passes, and only un bendenough to start using the other plier.
  • With the black handle tool with the larger flatanvil grip and straighten just enough to work the light housing off, try toleave it a little snug.
  • Dolly the flange as needed. Misc. sockets maywork here.
  • Helps to paint the white inside of the housingbefore assembly.
  • At assembly I use a thin piece of 3M caulk striprolled out thin and applied to the mating flange of the copper ferule for a seal.
  • With the wire lead in the holding fixture andthe housing started you can start to flare the ferule
    By placing a ball peen hammer on the portionto be crimped and tapping with another hammer. Using several sizes may beneeded. I then finish tightening the crimp by tapping with a small trim hammer.
  • note; The # 748 Channellock, the jaw used to straighten the crimp must be sharpened to grip under it, I used a 1/4" carbide burr.
  • And keep in mind if you try this you can get away with doing it only once, it will crack after that.




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Last edited by m22mike; 03-25-2019 at 07:42 PM.
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