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Installing LED's in stock taillight
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R1 taillight install on 89-00 gs500
Clear Taillight Lens for 01-03 Models
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Progressive fork spring install-the lazy way
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Suspension tuning 101
Installing Suburban-Machinery SV650 handlebars
Install an SV650 headlight
Converting standard 1/4 throttle to 1/5 throttle
Installing LED's in stock taillight
Uber Fender Eliminator
R1 Taillight on 89-00 GS500
Speedo/Tach light replacement
Better handlebar grips
Installing Buell turn signals - Rear
Installing Buell turn signals - Front
Flush mount rear (stock) turn signals
Installing a 2001 Ducati Monster fairing
Fix a broken oil filter cap bolt
General battery info
A Wal-Mart sealed battery?
Chain Maintenance
Installing SV650 Chainguard
Spark plug information
Installing a GSXR front end
Installing a GSXR swingarm
Installing GSXR rear passenger peg brackets
Installing an OEM Bandit 400 rear hugger
Installing a Bandit 400 rear wheel
Installing a GSXR rear wheel-simple swap
Polishing your wheels
"The Mystical Art of Tire Reading" and other tire info
General tire info for the GS #1
General tire info for the GS #2
General tire info for the GS #3 - mixing brands/types
gsJack's opinion on tires for the GS
Gearing and sprockets
Slip-on mufflers
Slip-on exhaust : using stock SV650 muffler
Installing an R6 tail
Installing GSX-R600 stock rearsets
Installing CBR600 stock rearsets
Replacing stock front pegs with CBR pegs
Replacing stock front pegs with Katana pegs
Why re-jet a stock US bike
More on re-jetting your carbs
Jetting for 2001 models
Links

Custom made LED board installed in stock housing.

Jeff Dahle [JeffD on gstwin.com] has put together an LED circuit board for use as taillights and are available to the GStwin.com community for a small fee.  The LED array Jeff chose is layed out on circuit board in circular pattern like the R6. Two additional LED's are provided pointed down to light the license place. Their light color is more blue than stock bulbs, hard to photograph though.  Jeff has 5 parallel circuits max running at ~ 20mA and is using 14v for his calculations (because thats the average charging voltage) so total draw is 100mA at 14 volts is a whopping 1.4 watts and I believe the standard bulbs run at like 20watts each.  The LED's are red and two clear for the license plate.

To install this board:
1) Remove taillight lens and bulbs. On 2001+ models remove rear bodywork to get access to the wiring at the bulb socket. On 2000 and older models you can twist the socket out the back when you remove the bulb.
 
2) On 2001+ models you'll have to drill a hole in the housing to run the wires. Do this so you don't have to remove the sockets which are permanently installed in housing. 2000 and older you can just remove one bulb socket.
 
3) Place circuit board where you want it. The LED's were layed out so the circles of LED's are centered where the bulbs are.  There are two screws that will hold the board in place. Screw these through the board and into the tailight housing. Housing is soft plastic so you won't have to predrill, just push heavily on end of screw and turn to get it started (you can make life really easy by predrilling a small hole).

ledinstalled.jpg
LED board installed-Note 2 superwhite LED for license

4) Run wires back and splice into existing socket wiring. Black to Black/White, White to Brown, Red to White/Black. Splice into existing wires so that you can always return it to stock lighting if you want.  I used Quick-Splice connectors which allow you to splice without cutting the wires; simply lay the wires in the connector, squeeze the small metal plate to crimp the wires (and simultaneously splice them), then lock in place.
 
5) Turn ignition on and test lighting. you'll have to adjust the license plate LED's so they light up the plate correctly and sit high enough to not be hit by lens when you install it.
 
6) Install taillight lens and rear bodywork if previously removed.
 
7) Stand back and enjoy.
 
Total time about 30-60 minutes.

rearllicenseled.jpg
Taillight on [no brakes] with engine off.

rear3.4licenseledclose.jpg
Photo doesn't do the light output justice.

You can order your own LED tailight insert for $40 (+/-) by contacting JeffD at electrovw@hotmail.com

Special thanks goes to JeffD from gstwin.com for putting together the LED assembly and offering it up to the forum group.