Hydraulic Brake Light Switch - The 1947 - Present Chevrolet & GMC Truck Message Board Network

dave2953 · 05-29-2007, 02:37 PM

Anybody running one? I'm trying to figure out how to plumb one of these and I'm not sure where to get the correct fittings. I need to go from the SAE brake lines and "T" into a 1/8" NPT for the switch. Any help would be appreciated.

**john** · 05-29-2007, 05:09 PM

The only way I can think of is to use a 1/8" npt T and use a 1/8" thread fitting to adapt to the inverted flare brake line in each end of the T. I dont remember seeing a brake line T with a 1/8" npt port.

bigjimzlll · 05-29-2007, 05:49 PM

They make a brake line T with an 1/8" port. Bought mine from local parts house....in their brass fitting drawers.

dave2953 · 05-29-2007, 10:38 PM

Thanks for the help; I'll check tomorrow and see what I can come up with.

05-29-2007, 02:37 PM	#1
dave2953 Dave's not here, man Join Date: Jun 2004 Location: Winder, Georgia Posts: 2,000	Hydraulic Brake Light Switch Anybody running one? I'm trying to figure out how to plumb one of these and I'm not sure where to get the correct fittings. I need to go from the SAE brake lines and "T" into a 1/8" NPT for the switch. Any help would be appreciated. __________________ - 2014 VW Jetta - 2015 VW Jetta - 1966 Ford F-250

05-29-2007, 05:09 PM	#2
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Re: Hydraulic Brake Light Switch The only way I can think of is to use a 1/8" npt T and use a 1/8" thread fitting to adapt to the inverted flare brake line in each end of the T. I dont remember seeing a brake line T with a 1/8" npt port. __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/ Last edited by john; 05-29-2007 at 05:09 PM.

05-29-2007, 05:49 PM	#3
bigjimzlll Senior Member Join Date: Dec 2001 Location: Redding,CA...USA Posts: 4,736	Re: Hydraulic Brake Light Switch They make a brake line T with an 1/8" port. Bought mine from local parts house....in their brass fitting drawers. __________________ It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA

05-29-2007, 10:38 PM	#4
dave2953 Dave's not here, man Join Date: Jun 2004 Location: Winder, Georgia Posts: 2,000	Re: Hydraulic Brake Light Switch Thanks for the help; I'll check tomorrow and see what I can come up with. __________________ - 2014 VW Jetta - 2015 VW Jetta - 1966 Ford F-250

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