Need picture of horn 69001-48a

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craig60pan
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Need picture of horn 69001-48a

#1

Post by craig60pan » Wed Sep 16, 2009 8:52 pm

Anyone have a color picture of a horn, part number 69001-48a, ideally front and back.
Should have been the horn for 49-53 FL's
Here is the parts book diagram
Thanks
CJ
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FlatHeadSix
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Re: Need picture of horn 69001-48a

#2

Post by FlatHeadSix » Wed Sep 16, 2009 11:37 pm

CJ
If you want pictures of just the horn I have one on the shelf, I'll take a couple pictures for you and post them later. If you want pictures of the horn mounted on the bike I can do that too but mine is not exactly OEM. On the 49's the factory welded the blocks to the full diameter frame tubes which does not give you much clearance. My engine has thick "D" rings holding the pans down (wrong for the '49) which gives you even less clearance in that area. Years ago a previous owner broke off a couple of those seriously undersized mounting screws and tossed the horn, it didn't have one on it when I bought the bike. I put a re-pop on it so I would have a horn, you can turn the re-pops on the bracket so I turned it a quarter turn and put the chrome cover back on it. By doing that it put the connection terminals up against the "D" ring so I carved a notch in the "D" with a Dremmel. It has worked perfect for years but its all wrong!

The horns used on the early hydra-glides are actually the exact same Delco 16 which was mounted vertically on the earlier springers but without the chrome cover when mounted on a hydra-glide. My theory about why they did that is simply because they already had a bunch of them. The reason that there is no cover on them is because the bracket was already riveted tightly to the horn body and can not be rotated easily, the holes for the special square shouldered bolts which hold the face on them are 90 degrees off which would have placed the wings on the cover in a vertical position instead of horizontal. They just took the cover off and mounted the bare horn.

After '49 they pinched the frame tubes where the mounting blocks are attached but continued to use the #12 screws (stoopid!), there is a little more clearance but most of the survivors will have oversized holes tapped in them for 1/4" bolts because all the original ones either broke off in the block or stripped out.

mike

craig60pan
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Re: Need picture of horn 69001-48a

#3

Post by craig60pan » Thu Sep 17, 2009 12:03 am

Mike both alone and installed would be great. I have a reproduction that I plan to use, for now, and wanted to see what it was supposed to look like to see what I could do to make it a bit more "presentable". ABATE has a pretty good sized swap meet in Nov down here and you never know what you will find but I would like to know what I am looking for.
As far as the mounting holes go I have 3 good ones and one with a broken off screw in it. Have started the KROIL treament on it but not sure how much success I will have.
Thanks again
CJ

FLH57
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Re: Need picture of horn 69001-48a

#4

Post by FLH57 » Thu Sep 17, 2009 12:29 am

DON'T KNOW IF THIS IS WHAT YOUR LOOKING FOR ,# IS DIFFERENT 4801-42, SUPPOSE TO BE FOR 42-48 FLATS AND KNUCKS AND 49 -57 PANS ? HOPE IT HELPS
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craig60pan
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Re: Need picture of horn 69001-48a

#5

Post by craig60pan » Thu Sep 17, 2009 12:46 am

Thanks FLH57
Every little bit helps. The front is different but the back must be very similar, if not identical.
These are similar to the 69001-48. The 69001-48 (FL from 49 - early 51) and the 69001-48a (FL late 51 to 53) did not have the chrome cover.
But as Mike said, I think thay are similar, just without the cover.
Plamer has the 4801-42 for all 42-48 twins and 49-57 springer model twins
Mine is a 1951 hydra glide
CJ

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Re: Need picture of horn 69001-48a

#6

Post by FlatHeadSix » Thu Sep 17, 2009 2:12 am

OK, first things first, if you're going to pick up a used horn at a swap meet you will probably want to freshen it up. Perry Ruiter's excellent instructions for restoring one of those is here: (thanks again Perry!)

http://www.ruiter.ca/mc/info/hornrep.html

Next, if you're going to put a repop on it you will need to make a few adjustments first. The stud on the rear of the horn will need to be shortened or it will hit the cylinder, file or grind it until you have enough clearance. The stud has a hex inside to hold it while you tighten the nut but you will lose most of it when shortening the stud, its a challenge but it can be done. You will also have to mount the bracket without a flat washer or lock washer because of the reduced length, red locktite is your friend. Removing and reinstalling and tightening the nut will affect the operation of the horn, test it thoroughly before installing on the bike, tightening or loosening the nut will change the volume and the pitch of the horn, expirement, lock it down when you like the way it works and sounds. The wire connections are also different so you will have to modify something to connect them.

here's a pic of the left rear showing how close the nut is to the fin on the front cylinder:
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craig60pan
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Re: Need picture of horn 69001-48a

#7

Post by craig60pan » Thu Sep 17, 2009 2:25 am

MIke
Have used Perry's info in the past and his expertise in rebuilding speedos.
Hopefully I will be lucky enough to find one to rebuild.
Good suggestions on using a repo horn. I plan to modify the wiring post to match the stock configuration so it is one less thing to change when I find the right one.
That was one of the resaons for the pictures both front and back
CK

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Re: Need picture of horn 69001-48a

#8

Post by FlatHeadSix » Thu Sep 17, 2009 2:27 am

here is a shot of the right side. Colony makes a complete mounting kit with the small thread, big head screws. The kit comes with little bushings to fit in the bracket ends with the bigger holes, it also comes with the plates that mount between the screws and the bracket with the bend-over tabs to lock the screws. Do NOT overtighten them, they twist off or strip out easy! Snug them up and bend the tabs over, here again a little loctite is your friend. All those oval spring plates and stuff that CJ posted in the parts diagram are for mounting it on a springer, use the Colony kit.

As I mentioned before, the early Hydra-Glide frame tubes were full diameter in the area under the mounting blocks, the later ones had pinched tubes which moved the horn bracket further forward and provided more clearance.
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craig60pan
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Re: Need picture of horn 69001-48a

#9

Post by craig60pan » Thu Sep 17, 2009 2:43 am

Mike
Great picture. The mounting kit I got was from Antique Cycle Supply a while ago and looks to have the right bolts, spacers, locking plates and spring washer.

CJ

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Re: Need picture of horn 69001-48a

#10

Post by FlatHeadSix » Thu Sep 17, 2009 2:52 am

here are a few more photos. The close-ups are the front and back of an OEM Delco-16 for an early pan. The "group photo" is an assortment of Delco-16'sm The black one is the 49, the top right is a post-war springer, the left middle is a REAL early Delco 16 that came off of one of my VL's (note that it only has 3 reinforcing ribs on the body and the connection terminals are spread further apart). The middle-right one with no bracket is for a VL, knuck, WLA, etc, that used the mounting kit with a million separate pieces and spring plates. The one on the bottom is a repop, note that the body has a pronounced cone shaped rise at the center where the bracket attaches. The brackets supplied with the repops are actually four identical plates which can be swung around into any configuration, the one in the picture is set up for a 58 Hummer which used the half-bracket.

mike
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craig60pan
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Re: Need picture of horn 69001-48a

#11

Post by craig60pan » Thu Sep 17, 2009 3:14 am

Mike
just what the doctor ordered (again)
beautiful photos, can't thank you enough
CJ

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Re: Need picture of horn 69001-48a

#12

Post by FlatHeadSix » Thu Sep 17, 2009 3:50 am

CJ
One more comment and one more picture and I'll hang 'er up for the night.

About the same time that harley was launching the all-new Hydra-Glide they also decided to launch an all-new parts numbering system. The 69001-48a is the new part number for the old 4801-42, same part, different numbering system.

this is a picture of my very incorrect repop horn, turned 90 degrees on the bracket, with an OEM chrome cover mounted on it. I think it looks great. It beeps and it looks good, that's all that matters to me. If the purists don't like it they can just bite me (to quote my good friend Bart Simpson).

mike
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Re: Need picture of horn 69001-48a

#13

Post by craig60pan » Thu Sep 17, 2009 12:25 pm

Could not agree more

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Re: Need picture of horn 69001-48a

#14

Post by awander » Sun Sep 20, 2009 4:53 am

beeps and it looks good, that's all that matters to me. If the purists don't like it they can just...
Heh-heh. I like that. I needed a horn, and the repops that I was getting were just junk-they would last a month or two, then stop working, or virate off teh mount, etc.

I looked into buying a real Delco-Remy 16 Harley horn, and I'm sure I don;t need to tell you guys how much they cost.
Then I started thinking-what if I got a Delco-Remy 16 that WASN'T for a Harley? Sure enough, I was able to get a working specimen off ebay for $25, and that only left me to figure out how to mount it. I thought of drilling and tapping the stud on the back, but i wasn't sure how strong that would be, or if it would change the magnetic properties, and affect how well it worked. I finally ended up making 2 brackets, shaped like the original Harley bracket at the ends where it mounts to the frame, and with a semicircular edge where they meet the horn. I used 2 of teh studs that hold the horn together on each side to also mount the horn to the brackets.

This arrangement works well, and I think it looks nice, too.. The horn is nestled in between the frame legs.

craig60pan
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Re: Need picture of horn 69001-48a

#15

Post by craig60pan » Sun Sep 20, 2009 2:26 pm

Post a photo if you get a chance

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