Reverse Light Switch

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ranger372
Posts: 14
Joined: Tue Sep 07, 2010 3:05 pm

Reverse Light Switch

Post by ranger372 »

Hello All, Question, Reverse Light switch on the underside of a 4 speed Transmission.....What is the thread size? Believe it is a NPT size. Switch is leaking and want to replace with a plug. Car is a '65 Corsa :helpsos:
Thanks,
Steve D.

erco
Posts: 251
Joined: Wed Apr 29, 2020 8:45 pm

Re: Reverse Light Switch

Post by erco »

65's are smaller than 66-69's. IIRC 1/2"-13 threads for '65. Clarks has repro switches.

joelsplace
Posts: 1020
Joined: Wed Oct 13, 2010 12:51 pm
Location: Northlake, TX

Re: Reverse Light Switch

Post by joelsplace »

It isn't NPT. It is a straight thread.
114 Corvairs, 5 Ultravans and counting
Northlake, TX

ranger372
Posts: 14
Joined: Tue Sep 07, 2010 3:05 pm

Re: Reverse Light Switch

Post by ranger372 »

Thanks Guys, So it's a 1/2"-13unc bolt. Short as can be - only as long as the switch threads are. Brass compression washer would also be good.

erco
Posts: 251
Joined: Wed Apr 29, 2020 8:45 pm

Re: Reverse Light Switch

Post by erco »

Yes, def keep it as short/shorter than the switch. Anything longer will block or interfere with moving parts inside.

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bbodie52
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Re: Reverse Light Switch

Post by bbodie52 »

There was originally one plastic washer used along with the switch. Some who removed/replaced the switch did not notice the embedded plastic washer and failed to remove it. When they purchased a replacement switch, they installed it with the new plastic washer it came with (accidently stacking two washers on top of each other). This caused too much spacing and made the switch inoperative, until th 2nd washer was discovered and removed.

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:link: http://www.corvair.com/user-cgi/catalog ... N&page=84B
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Part number C5364: 61-65 4SP BACK-UP SWITCH *EXACT REPRO BOOT & GASKET (C383A) INCLUDED

Weight: 0 lbs 10 oz
Catalog Page(s): 84B
Price: $ 56.10

Part number C383A: 61-65 4 SPD BACKUP SWITCH GASKET (comes with switch)

Weight: 0 lbs 0.5 oz
Catalog Page(s): 84B
Price: $ 1.35
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Part number C5365: 66-69 3&4 SP BACK-UP SWITCH *EXACT REPRO *GASKET INCLUDED

Weight: 0 lbs 6 oz
Catalog Page(s): 84B
Price: $ 67.15


Part number C524A: 66-69 BACK-UP SWITCH WASHER (comes with switch)

Weight: 0 lbs 0.5 oz
Catalog Page(s): 84B
Price: $ 3.55
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ALTERNATIVE...
"Fix It Kit" The old switch stays in place. We supply all the wire, screws, connectors, bracket, switch & instructions to add a switch that mounts near the shift tube (like on the 1960-64 3 spd.). For 1965-69, the switch mounts back by the front of the trans by shift tube. Takes about 1/2–3/4 hour. "Fix It Kit" C8379
Part number C8379: 4 SPEED BACK UP SWITCH FIX-THEY LEAVE OLD SWITCH IN PLACE-THIS WORKS OFF SHIFT ROD

Weight: 1 lbs 0 oz
Catalog Page(s): 84B
Price: $ 42.15

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Brad Bodie
Lake Chatuge, North Carolina
Image 1966 Corvair Corsa Convertible

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