Fat Bob Tach Help
Thread Starter
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Tourer
Joined: Jul 2008
Posts: 280
Likes: 0
From: Port St Lucie, FL
Fat Bob Tach Help
OK Guys here is a good one, Can someone help me out with a little wire placement? I just installed an 09 CVO tach set up on my 08 Fat Bob. The harness off the new tach has nowhere to go so it needs to be wired in. The harness has 5 wires,
orange
black
green with black stripe
orange with white stripe
brown with grey stripe
I do not have a service manual so if someone can please advise me on where to splice in I would greatly appreciate it.
Sorry for the cell phone pics.
orange
black
green with black stripe
orange with white stripe
brown with grey stripe
I do not have a service manual so if someone can please advise me on where to splice in I would greatly appreciate it.
Sorry for the cell phone pics.
Club Member
Joined: May 2006
Posts: 14,564
Likes: 9,223
From: the 50s & the 60s
OK Guys here is a good one, Can someone help me out with a little wire placement? I just installed an 09 CVO tach set up on my 08 Fat Bob. The harness off the new tach has nowhere to go so it needs to be wired in. The harness has 5 wires,
orange
black
green with black stripe
orange with white stripe
brown with grey stripe
I do not have a service manual so if someone can please advise me on where to splice in I would greatly appreciate it.
Sorry for the cell phone pics.
orange
black
green with black stripe
orange with white stripe
brown with grey stripe
I do not have a service manual so if someone can please advise me on where to splice in I would greatly appreciate it.
Sorry for the cell phone pics.
.
They are common to the speedo beast.
Probably the same colors.
.
.
.
Road Warrior
Joined: Apr 2009
Posts: 1,360
Likes: 4
My service manual does not have CVO stuff in it.
The instruction database should have some tach install instructions that may give you a clue..
https://www.hdforums.com/forum/dyna-...-database.html
or these links:
http://www.shareaproject.com/pages/i...i,2354,00.html
http://www.hdtalking.com/electrical_...bus_bikes.html
The instruction database should have some tach install instructions that may give you a clue..
https://www.hdforums.com/forum/dyna-...-database.html
or these links:
http://www.shareaproject.com/pages/i...i,2354,00.html
http://www.hdtalking.com/electrical_...bus_bikes.html
Last edited by ColdCase; Jan 22, 2010 at 08:14 AM.
Thread Starter
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Tourer
Joined: Jul 2008
Posts: 280
Likes: 0
From: Port St Lucie, FL
Thanks for all the help. Mud you were right all the colors matched except the gound. The tach wire is solid black, the speedo ground is black with a green stripe. I used a test lamp to confirm and it worked perfect. Thanks again for the help. Pictures of winter mods to follow.
Road Warrior
Joined: Apr 2009
Posts: 1,360
Likes: 4
packetjunkie, you can purchase a late model HD tach kit from a dealer or eBay. They are pretty simple to install, the hardest part is wiring in the tach signal.
It will be hard to find a white faced tach that matches your speedo. I have a black face kit in the basement.
If you are not comfortable around wiring, many independent shops will do it for less than $500. The HD tach with cup and mount runs close to $200 new, I think. There are also aftermarket tachs out there.
If you search this forum for tach you should find several ideas. If you more into function than style, there are many small digital tachs, relatively inexpensive.
It will be hard to find a white faced tach that matches your speedo. I have a black face kit in the basement.
If you are not comfortable around wiring, many independent shops will do it for less than $500. The HD tach with cup and mount runs close to $200 new, I think. There are also aftermarket tachs out there.
If you search this forum for tach you should find several ideas. If you more into function than style, there are many small digital tachs, relatively inexpensive.
Last edited by ColdCase; Jan 22, 2010 at 06:01 PM.
Elite HDF Member
Joined: Jul 2005
Posts: 3,968
Likes: 34
From: Lockport Township, IL
I do not know about the later models, but when I put a tach on my 03 FXD, the instructions that came with the tach (HD tach) were worthless when it came to the wiring. I had to study the electrical diagrams in the service manual for a Dyna model that came stock with a tach, in order to figure out the correct wiring hookup. Once I did that, it was very simple. but following the instalation instructions that HD provided with the tach was impossible.
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Road Warrior
Joined: Apr 2009
Posts: 1,360
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This is how a #68986-04 HARLEY DAVIDSON Silver Face Mini Tach Kit, with #67524-04 HARLEY DAVIDSON Mini Tach Tapered Gauge Housing and #67268-06A MINI-TACH MOUNTING KIT fits on the Fat bob. The HD instructions were straight forward but I chose to use pin 3 from the ECU for the tach signal. If you want something that looks like this, there is at least $150 in parts, probably close to $200 there whatever you do.
Last edited by ColdCase; Jan 22, 2010 at 10:51 AM.
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I have 2003 Dyna wiring diagrams (jpeg & pdf format) in my box.net data vault.
Not sure if they match later models wiring diagrams............
2003 Dyna wiring diagram jpeg 1 of 2
2003 Dyna wiring diagram jpeg 2 of 2
2003 Dyna wiring diagrams pdf
FXD2003Rider
Not sure if they match later models wiring diagrams............
2003 Dyna wiring diagram jpeg 1 of 2
2003 Dyna wiring diagram jpeg 2 of 2
2003 Dyna wiring diagrams pdf
FXD2003Rider
Road Master
Joined: Jul 2009
Posts: 1,221
Likes: 9
From: Monmouth, OR
This is how a #68986-04 HARLEY DAVIDSON Silver Face Mini Tach Kit, with #67524-04 HARLEY DAVIDSON Mini Tach Tapered Gauge Housing and #67268-06A MINI-TACH MOUNTING KIT fits on the Fat bob. The HD instructions were straight forward but I chose to use pin 3 from the ECU for the tach signal. If you want something that looks like this, there is at least $150 in parts, probably close to $200 there whatever you do.