Spotlight wiring diagram

Electrical issues
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1951 adam
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Re: Spotlight wiring diagram

#16

Post by 1951 adam » Sun Oct 05, 2014 6:39 pm

Joe it's for my 51, I've got the lights running to my post terminal box right now.
Adam



partshunt
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Re: Spotlight wiring diagram

#17

Post by partshunt » Mon Oct 06, 2014 8:10 am

Adam. I checked my 1957 Panhead Accesory catalog the saddle mountd bullet lights are listed as a parking lamp kit. No terminal studs, nothing mentioned about drilling seat tee or such. Cant see the wire ends so I dont know if they are "eye" connectors or male "plug ins". What is on your wires as they came to you?. Do the end connectors look original or changed by someone. Bear in mind, by 1957, signal lamps could be mounted at the rear fender or tail lamp lite bar available by then. In 1951, the rear bullet lamps also went on the saddle as signal lights. There was no rear light bar in 1951 yet I think it came available in 1952..Hope this means something to ya as my excuse to be of help. ha ha......Joe

1951 adam
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Re: Spotlight wiring diagram

#18

Post by 1951 adam » Mon Oct 06, 2014 12:49 pm

Joe, We have the instructions Mike posted, so I'm going to say if dealer installed , they could have put the terminal (39) anywhere on the Tee. I will figure this out and post what I find, thanks for the input Joe... This is good stuff.

Adam

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Re: Spotlight wiring diagram

#19

Post by RUBONE » Mon Oct 06, 2014 1:56 pm

The lights sold by H-D as accessory parking lights and as signals are made differently from each other. The lenses on parking lights are domed and came in colors besides red, on signal lights they are Bullseye type and came specifically in red for rear, white for front. The mounting brackets on parking lights are non-sided and located in the centerline of the light. On signal lights they are sided for right and left. If parking lights are seat tee mounted one terminal is needed on the tee. If signals are used two terminals are needed.
In the second picture note the signal lamp bodies and bent brackets used as parking lights to clear the seat skirt. The seat tee terminal is visible on the right side.
Parking lamps
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1951 adam
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Re: Spotlight wiring diagram

#20

Post by 1951 adam » Mon Oct 06, 2014 2:57 pm

Thank you Robbie ! Here's what I've got, I'm using the -38's under seat , and I have the DH 49's for up front. I'm running both wires into the coil terminal box, at the junction for the brake. I need to find out what I need for the seat tee terminal . Robbie your knowledge is very much appreciated .
Adam
image.jpg
image.jpg
image.jpg
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Re: Spotlight wiring diagram

#21

Post by RUBONE » Mon Oct 06, 2014 3:10 pm

Adam,
Are you using them as running lights or signals? If they are in the terminal box no need for an underseat terminal. Just connect them on an empty post and feed from the accessory post on the ignition switch. If for signals you would need two posts and leads from the front terminal board to those posts.

1951 adam
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Re: Spotlight wiring diagram

#22

Post by 1951 adam » Mon Oct 06, 2014 3:29 pm

image.jpg
Robbie ,I don't think the drivers in south Florida know what a turn signal is. ! I've got the leads friction taped to the front of tee , and run into the box on the brake switch terminal as supplement brake lights . The DH-49s I'll wire as traditional parking lights . My reasoning for the tee terminal is to facilitate removing the lights for seat changes ect. I would imagine this terminal consists of 2 fiber washers, a fiber barrel ( through tee) and post stud and nuts ( like the photo you posted) Sound right? The downside is drilling into my tee . Thank you so much for the input Robbie!
Adam
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Re: Spotlight wiring diagram

#23

Post by RUBONE » Mon Oct 06, 2014 3:36 pm

If you don't want to drill the tee, pot the terminal on a small plate and bolt it to the seat stud or buddy spring bracket.

Signal wiring..
Image

1951 adam
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Re: Spotlight wiring diagram

#24

Post by 1951 adam » Mon Oct 06, 2014 3:56 pm

This brings up an interesting point. When signal lamps came out in 52 , were passing lamps then equipped with individual toggles, because the right handlebar switch was used for the signals? I posted about this a while ago, I've seen short stem SH-2s with and without provision for toggles.
Adam

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Re: Spotlight wiring diagram

#25

Post by 1951 adam » Mon Oct 06, 2014 4:10 pm

68686-38 is the part number for the toggle, so I guess I'm wrong. They all had them. 38-54 all models , I have the 41-54 book. They were already obsoleted in my 41-84 book. And my 57 book shows them used then. So what were the toggle less SH-2s used on .....
Adam

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Re: Spotlight wiring diagram

#26

Post by FlatHeadSix » Mon Oct 06, 2014 4:43 pm

Adam,
The motor company was real fond of those terminals, they stuck them everywhere they thought they needed one. So, it is very simple to get one of Colony's terminal kits, drill a hole, and add one or two as needed. The Colony kit comes with the screws and nuts as well as all the special insulating washers to install them. Here is picture of the back fender of a Harley Hummer, they drilled 2 holes in the fender and put in the terminals (early Hummers did not have a brake light so they only used one hole). You can use Robbie's picture as a go-by for the hole location, but I'll bet he'll give you a measurement from the end of the cross bar. As you can see the terminal is in the cross bar plate and not in the seat T-Bar.
mike
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Re: Spotlight wiring diagram

#27

Post by Huck » Mon Oct 06, 2014 4:54 pm

Knuckle goodness, would love to see more.

1951 adam
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Re: Spotlight wiring diagram

#28

Post by 1951 adam » Mon Oct 06, 2014 8:45 pm

A lot of good information in this post, thank you for posting the diagrams and photos everyone . Anyone have any idea what the toggle less SH-2s were used on? Thanks again
Adam

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Re: Spotlight wiring diagram

#29

Post by FlatHeadSix » Tue Oct 07, 2014 1:00 am

Adam, you asked earlier about the sequence of assembly for all the pieces of the terminal. The terminals were different depending on location, the factory kit that was used in the frame had a longer screw and an additional bushing because it went all the way through the frame casting near the seat post bushing, this was O.E.M. kit number 1523-26A (Colony Machine part number 8942-14). (some trivia goodness for the knuckleheaders and WL guys) The terminals that just went through sheet metal used shorter screws and fiber washers which had standard hardware part numbers, the insulators were little top-hat looking affairs that had a separate Harley part number: 71098-38.
mike
here is a link to the O.E.M. kit:
http://www.cottonbraidedwire.com/en/ter ... l-kit.html
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1951 adam
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Re: Spotlight wiring diagram

#30

Post by 1951 adam » Tue Oct 07, 2014 1:42 am

Thanks mike,
That's exactly the insulator I was looking for.
Adam

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