1999 Ski-Doo Factory Shop Manual Volume Three, Page 237Get this manual
Section 06 ELECTRICAL Subsection 06 (TESTING PROCEDURE)
INSPECTION OF HEATING ELEMENTS
All measurements must be performed at 21C (70F)
Handlebar Grip Heating Element
Resistance Measurement
Throttle Lever Heating Element
Resistance Measurement
Formula III and Mach Series
LOW INTENSITY YELLOWBLACK wire ORANGEVIOLET wire YELLOWBLACK wire ORANGE wire 17.7 to 20.7 ohms 8.73 to 10.67 ohms
Formula III and Mach 1Z Series
HIGH INTENSITY LOW INTENSITY YELLOWBLACK wire BROWN wire YELLOWBLACK wire BROWNYELLOW wire 1.96 to 3.64 ohms 8.05 to 14.95 ohms