Stock Electrical System - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 22 Old 06-08-2018, 08:38 AM Thread Starter
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Stock Electrical System

Im sure this has been covered before but Im not great at doing forum searches. How much stuff can I safely run on my stock electrical system? I have heated grips which I have rarely used. I want to add a light bar that I am fabricating with a three LED cube lights. One spot and two floods. As well I would like to add an USB Charger. Any input would be great

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post #2 of 22 Old 06-08-2018, 10:47 AM
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you only have about 2 amps available with a stock set up

A wish is a desire without an attempt
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post #3 of 22 Old 06-08-2018, 12:04 PM
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With power management (as in, shut down stuff when you're at low rpm in traffic, etc.) I think you'll be o.k., fpurpicful.

I wired in a high-output aftermarket stator and upgraded rectifier/regulator; works o.k., but . . . puts out LESS juice at idle, and MORE at higher rpm; fact to consider in, "power management."
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post #4 of 22 Old 06-08-2018, 12:57 PM
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With some LED upgrading you'll find some extra power. GoMotor has posted a reference showing the draw of various lights, etc.


Dave
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post #5 of 22 Old 06-08-2018, 05:54 PM
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I ran headed grips, a jacket and socks. Get the power you need by changing the bulbs to LED. The headlight is he main one but also change the taillight and the dash bulbs all to LED. I never had any problems on my 09 or my 2014 1/2.

“Take the risk of thinking for yourself , much more happiness , truth, beauty, and wisdom will come to you that way.” Hitchens
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post #6 of 22 Old 06-08-2018, 08:13 PM
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If you are going to run lots of power consuming accessories, you should install a digital volt meter to know when to cut some load if necessary. I don't like those color changing types (red is low voltage, yellow medium, green good......)

The gen2 has about 100 extra watts to play with (ignoring the fan motor which normally would not be running much when you need lots of light). You can pick up about 20 watts each by switching the stock light bulbs to LEDs, but I don't like the focus of LED bulbs in the stock housing/reflectors. I do like LED lights in a dedicated pod with proper reflectors.


ELECTRICAL USAGE in Watts: Gen2

Dash meter lights 3 x 3.4 = 10.2
Tail Light 8
Tag light 8
Low beam headlight 55
High beam light (Gen-2 only) 55
High beam indicator 3.4
Ignition system ??
----
Gen-2 = 139.6 Gen-1 = 84.6

NOT USED FULL TIME IN COLD WEATHER
Radiator fan gen1 about 35 per Jeffsaline
Neutral indicator 3.4
Brake light 27
Turn signals 2 x 23 = 46
Turn indicator 3.4

Gen-1 Alternator 14 Amps at 14 Volts = 196 Watts
Gen-2 Alternator 17 Amps at 14 Volts = 238 Watts
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post #7 of 22 Old 06-09-2018, 08:19 AM
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I bought a voltmeter off E bay for 3 bucks for my Versys 1000. I have it hooked to a power supply on my bench and it works well. I'm not sure if it will shoehorn into the KLR dash. I got the white one. Didn't want red on the dash. Link below.

https://www.ebay.com/itm/LED-DC-Car-...72.m2749.l2649

“Take the risk of thinking for yourself , much more happiness , truth, beauty, and wisdom will come to you that way.” Hitchens
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post #8 of 22 Old 06-09-2018, 08:41 AM
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That looks very similar to the one I got of the net. I installed it to the right of the turn signal arrows and above the three little dimples in that area. There is just enough room behind there for it to fit nicely. Measure twice and cut once.
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post #9 of 22 Old 06-13-2018, 06:02 PM
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2 in 1 Motorcycle Dual USB Adapter & Voltmeter Handlebar Mounted

I bought one of these handlebar mount volt meters and am liking it so far. I have not fully pressure tested it in a hard rain, but I have had it in temps of 110 degrees Fahrenheit, and it's holding strong.

(You'll have to search for this yourself on Amazon because the mods require that I have posted 15 times in this forum before I can post a comment with a URL) Search for: "2 in 1 Motorcycle Dual USB Phone Charger & Blue Voltmeter 5V 3.1A Handlebar Mounting"

I've it paired up with a Braketron Qi Wireless phone charger, just in case you're curious.
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post #10 of 22 Old 06-13-2018, 09:23 PM
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First thing after I installed my volt meter was notice the voltage dropping while sitting at long stoplights with the brake on. So, I went to WalMart and bought a LED 1157 bulb and swapped it out in the taillight and now no matter how long the stop light is, it stays steady. Another thing if running lots of extras is to keep the idle up near max. This not only will help keep your battery charged, but will also keep better oil pressure at idle.
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