TACHOMETER ISOLATION Switch 1A1A17S3
Isolates ECV tachometer. The tachometer should only be isolated when using ECV diagnostic
device. ECV diagnostic device will not function properly if tachometer is not isolated.
Monitors engine speed of ECV.
Displays total amount of hours ECV has run. One hour of ECV running in STATIC mode is
equivalent to ECV running 30 miles in MOBILE mode. Time must be entered into log book.
2.10 REAR LIGHT BOX ASSEMBLY 1A4A7.
ON/OFF Switch 1A4A7S1
Lights aft light when switch is set to ON.
Aft Light 1A4A7DS1
Lights when ON/OFF switch is set to ON.