Since I apparently cannot remember anything once I see something shiny
I took some pictures of the XS1100 Standard fuel gauge components and
labeled everything.
for information and troubleshooting, the flow of current in the circuit is:
A Brown wire carries 12 volt system voltage from the 20 amp Signal fuse
up to the 7 volt regulator in the tachometer housing.
The 7 volt regulator connects to the fuel gauge Positive terminal with a Red/Black wire.
Current flows through a precision resistor wire wrapped around a bi-metallic arm
in the fuel gauge, then continues out from the Negative terminal on the Green
wire that runs down to the 2-pole connector for the in-tank fuel level sending
unit.
The in-tank fuel level sending unit is grounded at the tank and through
the Black wire in the 2-pole connector.
The fuel gauge and the in-tank fuel level sending unit are both fully adjustable.
XS1100 Standard Tachometer and Fuel Gauge Wiring Inside Tachometer Housing
![](http://farm7.static.flickr.com/6233/6257941667_9dc3d55877_d.jpg)
Broken XS1100 Standard Fuel Gauge
![](http://farm7.static.flickr.com/6175/6258393370_cbc023480c_d.jpg)
![](http://farm7.static.flickr.com/6153/6257864355_9cbd6a881f_d.jpg)
![](http://farm7.static.flickr.com/6218/6257861385_29b9fed908_d.jpg)
![](http://farm7.static.flickr.com/6101/6258384802_3214a07f67_d.jpg)
![](http://farm7.static.flickr.com/6113/6257855843_c7c98380ea_d.jpg)
XS1100 In-tank fuel level sending unit
![](http://farm7.static.flickr.com/6038/6258044753_30973e3c77_d.jpg)
XS1100 In-tank fuel level sending unit with broken resistor wire
I took some pictures of the XS1100 Standard fuel gauge components and
labeled everything.
for information and troubleshooting, the flow of current in the circuit is:
A Brown wire carries 12 volt system voltage from the 20 amp Signal fuse
up to the 7 volt regulator in the tachometer housing.
The 7 volt regulator connects to the fuel gauge Positive terminal with a Red/Black wire.
Current flows through a precision resistor wire wrapped around a bi-metallic arm
in the fuel gauge, then continues out from the Negative terminal on the Green
wire that runs down to the 2-pole connector for the in-tank fuel level sending
unit.
The in-tank fuel level sending unit is grounded at the tank and through
the Black wire in the 2-pole connector.
The fuel gauge and the in-tank fuel level sending unit are both fully adjustable.
XS1100 Standard Tachometer and Fuel Gauge Wiring Inside Tachometer Housing
![](http://farm7.static.flickr.com/6233/6257941667_9dc3d55877_d.jpg)
Broken XS1100 Standard Fuel Gauge
![](http://farm7.static.flickr.com/6175/6258393370_cbc023480c_d.jpg)
![](http://farm7.static.flickr.com/6153/6257864355_9cbd6a881f_d.jpg)
![](http://farm7.static.flickr.com/6218/6257861385_29b9fed908_d.jpg)
![](http://farm7.static.flickr.com/6101/6258384802_3214a07f67_d.jpg)
![](http://farm7.static.flickr.com/6113/6257855843_c7c98380ea_d.jpg)
XS1100 In-tank fuel level sending unit
![](http://farm7.static.flickr.com/6038/6258044753_30973e3c77_d.jpg)
XS1100 In-tank fuel level sending unit with broken resistor wire
![](http://farm7.static.flickr.com/6214/6258041517_a2cb4a73bc_d.jpg)
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