Two-Speed Rear Axle - GMC T-Series 1999 Owner's Manual

Eaton Fuller 9- and 10-Speed Transmissions
If your vehicle has one of these unsynchronized
transmissions, it's naturally somewhat complicated. The
label above the windshield will tell you the operating
basics you need to know.
Before operating the vehicle with one of these
transmissions, be sure to read the Eaton Fuller
Transmission Driver Instructions Manual in
your vehicle.
Eaton Fuller Transmission with Clutch
Brake (If Equipped)
Some vehicles have an optional clutch brake. It engages
when you push your clutch pedal all the way to the
floor. Use it when you shift into first or reverse gear.
Press the clutch pedal as far as it will go and then make
your shift. If the engagement isn't smooth when you
engage the clutch, press the clutch pedal in and then
immediately reengage it. Use the clutch brake only with
the engine idling and the vehicle standing still.
If you have this feature, see the Eaton Fuller
Transmission Driver Instructions Manual before
operating your vehicle.
Parking
CAUTION:
If you don't park your vehicle properly, it can
roll. If you've left the engine running, it can move
very quickly. You or others could be injured. To
be sure your vehicle won't move, even when
you're on level ground, follow the steps below.

Two-Speed Rear Axle

1. With the engine running, shift the two
axle into low. To be sure it's in low, you'll need to
move the vehicle in gear just a little.
2. Hold the regular brake pedal down with your
right foot.
3. Apply the parking brake.
4. Shift the transmission to NEUTRAL (N) or
PARK (P).
yellowblue
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speed rear
2-25