Installing digital dash - wiring questions - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 56 (permalink) Old 03-18-2009, 01:02 PM Thread Starter
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Installing digital dash - wiring questions

I picked up a Digital dashboard from Acewell (Electrosport is the US distributor). The unit completely replaces the entire dash cluster upfront for the same price as a single unit from Dakota Digital. I got the 396x unit here: http://www.electrosport.com/street/s...eries-3950.php

Everything came in one package that is just excellent. Well I went to go read the diagrams before I install and I just have a couple of questions that I'm hoping someone here can answer for me.

1) Is there a wire in the dashboard anywhere that is hot all the time other than right on the ignition switch? I didn't see one, but I'm notorious for missing things.

2) On the front ignition coil, is the Black wire positive or is the Red? "Common sense" wiring says Black is negative, but when you look at the tach. gauge, Brown gives power from ignition switch, and B/Y is the ground wire. The wiring diagram that came with the digital unit shows to hook the sensor either to the positive lead between the CDI and the Coil or to wrap an included wire around the plug wire for inductance sensing. I'd prefer to use the coil wire for accuracy.

3) I'm sure I can measure it (sometime) if I borrow a meter, but does anyone know if the fuel sensor is 100, 250 or 510 ohms?

4) What is the "Distance Sensor" that has Red and Green wires coming from the Turn signal control unit? Is this for the odometer/trip odometer? If so, will it hurt anything to disconnect and insulate it since it is not needed anymore? The new unit comes with a speedo replacement cable and handles odometer functions internally.

Thanks in advance guys!

Chiron

P.S. Can someone verify for me that on the oil pressure warning light that the Brown wire is the + and the Blue/Red striped wire (going to sensor) is the - ?

Last edited by Chiron; 03-18-2009 at 01:05 PM.
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post #2 of 56 (permalink) Old 03-18-2009, 01:18 PM
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The red coil wire is + and is constant. The black is ground but only when the signal is sent from the igniter to fire the coil. The distance sensor is for self cancelling turn signals, 85'-88'.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
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Last edited by lance328; 03-18-2009 at 01:54 PM.
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post #3 of 56 (permalink) Old 03-18-2009, 01:24 PM
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Fuel sending unit is 65.5 Ohms, so set to 100. You are correct with the oil wires. No constant hot wire in the pilot box.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote
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post #4 of 56 (permalink) Old 03-18-2009, 01:37 PM
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Send a message via AIM to bigrepp61
dude when you get it hooked up let me know... id like to see what it looks like on our bike..

Mike Reppert
2002 VN 750
1980 Monte carlo

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^^^^^ i completely agree^^^^^^
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post #5 of 56 (permalink) Old 03-18-2009, 01:38 PM Thread Starter
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Lance, you rock. Period. Thanks for the help! I'm only a little (by little I mean a lot) confused by one thing and want to make sure I get it right.

You said "The red coil wire is + and is constant. The black is ground but only the signal is sent from the igniter to fire the coil."

So I'm assuming that the igniter sends the signal along the red coil wire? If so, then that is where I would want to connect my tach wire. Correct?

Thanks for everything.
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post #6 of 56 (permalink) Old 03-18-2009, 01:38 PM
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I'll answer what I can......

Quote:
Originally Posted by Chiron View Post

1) Is there a wire in the dashboard anywhere that is hot all the time other than right on the ignition switch?
There is a couple wires in the headlight bucket that look like they're not connected to anything (bullet connectors)
These are "Always On" accessory wires.


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post #7 of 56 (permalink) Old 03-18-2009, 01:46 PM Thread Starter
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I plan on taking some pictures of it pre-installation wired tonight. It even comes with pre-wired "jumper" wires with plastic connectors on one end. I'm just going to snip the existing wiring just under the lights and gauges to splice it in. It will go like this:

xxxx - xxxx-------original wires---splice--------xxxx------DDDDDDDD
original plastic new plastic new dash unit
connectors connector
bike side + dash side

That way if I ever decide to go back to original wiring, I can just plug in a stock dash and go on my merry way.

I plan on writing it up and taking pictures as I go.
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post #8 of 56 (permalink) Old 03-18-2009, 01:52 PM
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Quote:
Originally Posted by Chiron View Post
Lance, you rock. Period. Thanks for the help! I'm only a little (by little I mean a lot) confused by one thing and want to make sure I get it right.

You said "The red coil wire is + and is constant. The black is ground but only the signal is sent from the igniter to fire the coil."

So I'm assuming that the igniter sends the signal along the red coil wire? If so, then that is where I would want to connect my tach wire. Correct?

Thanks for everything.
Igniter sends the signal across the black wire, and that's where factory tach. gets signal.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote
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post #9 of 56 (permalink) Old 03-18-2009, 01:52 PM Thread Starter
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Thanks for that info Hyper. I was wondering what those were for.

BTW, ignore my horrible ascii art. The editor took away my spaces and formatting from that last post.
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post #10 of 56 (permalink) Old 03-18-2009, 01:56 PM Thread Starter
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Sweetness. Thats the info I was looking for on the tach Lance. I think I should be able to get this wiring harness soldered together tonight after I put another coat of paint on the tank and fenders.

Just got to stop and get some heat shrink tubing on the way home from work.
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