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Brake light Wiring problem continued 1 Attachment(s)
Hate to start a new thread, but can't see how to attach a pic in a reply
"JaJay is correct about some of the stop light switches being being poorly made. On the switch I had the rod would slip inside the case and short out. Corrected it by soldering in brass tubes at each end of the case so the rod could not slip out. Have not had any problems since rebuilding about 2009." This is the innards of my switch. It certainly appears to be 90 yrs old. I understand Jay's description of how it works, but I don't see the flaw in this unit. |
Re: Brake light Wiring problem continued I think the insulator on the rod at the left end of the spring should be on the right side of the copper contact. You can see the wear on the insulator on the top and the copper contact. It also appears that there was a piece at the end of the contact that broke off.
The switch is different than the one on my '28. |
Re: Brake light Wiring problem continued Quote:
The switch in your picture is junk, replace it with a good one. |
Re: Brake light Wiring problem continued Thanks for the tip re: Go advanced. As others have observed, the good switches are out of stock, but I can use a cheapo to get started.
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Re: Brake light Wiring problem continued Found this one on Snyder's Page:
https://www.snydersantiqueauto.com/0...6658&cat=41728 |
Re: Brake light Wiring problem continued Quote:
JR, I believe the 28s used a switch that bolts to the tranny. The later cars used one that bolts to the frame cross member. |
Re: Brake light Wiring problem continued Quote:
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Re: Brake light Wiring problem continued Quote:
The brass bushing prevents that by having a lot of softer material (the bushing) for the shaft to ride on, and isolates the shaft from steel-on-steel contact with the sharp edge of the housing. It also gives you a surface to hold a drop of light oil periodically. Correct, there is no electrical function. Just good mechanical design. I recall a thread from the past where someone took one of the cheapo switches and added brass bushings. Straightforward from a machining standpoint but a bit of work. |
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