Warning – B&M 80680 LIGHT TRUCK MEGASHIFTER User Manual

Page 8

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PERIODIC INSPECTION AND MAINTENANCE OF YOUR SHIFTER IS RECOMMENDED TO ENSURE THAT THE
MECHANISM IS WELL LUBRICATED, FREE FROM DIRT OR RUST AND THAT THE CABLE IS PROPERLY ADJUSTED.
LACK OF MAINTENANCE COULD RESULT IN A FAILURE INCLUDING A FAILURE OF THE REVERSE LOCKOUT SAFETY
FEATURE.

WARNING

__ Locking steering column lever is permanently fastened

in the full up position. Step 2.

__ Shifter is convenient to reach and has ample room for

your hand in both park and low gear. Step 3.

__ Carpet covers floorboard holes. Step 6.
__ Cable is securely fastened to the shifter and held with

E-clip. Step 8

__ Shifter is securely mounted to floorboard. Step 10.
__ Shifter cable is clear of exhaust system, engine and any

moving parts. Step 10.

__ Throttle lever and shift lever are tight on transmission.

GM step 12, Ford Step 17, Chrysler Step 23.

__ Oil pan bolts are tightened to 12-13 lb.ft. GM Step 13,

Ford Step 19, Chrysler Step 24.

__ Shifter is properly adjusted. Cable boots are installed,

cable nuts are tightened and swivel is secured with

cotter key. GM Step 15, Ford Step 21, Chrysler Step 26.

__ The Neutral safety and Reverse light switches are

connected and properly adjusted to prevent engine
starts in drive gears and Reverse. GM Step 16, Ford Step
22, Chry Step 26.

__ There is no debris in the shifter mechanism.
__ Tower is trimmed and securely held with two screws.

Step 29.

__ Cover installed and shift position indicator operating

properly. Step 31.

__ Shifter moves freely in all positions as described in

Shifter Operation.

__ If your shifter is not working properly do not attempt to

drive your car. Make sure you have followed all instruc-
tions. If the shifter is broken or defective return it to your
B&M dealer.

CHECK LIST

boot is installed in the cover plate and into
the stick, install the T-Handle and the jam
nut. Tighten the jam nut when the handle
is properly oriented.

OPERATION

The B&M Light Truck Megashifter nor-
mally functions as a straight gate detent
shifter from Park to Reverse to Neutral to
Drive and as a ratchet shifter from Neutral
to all the forward gears. Refer to the
following instructions for proper opera-
tion:
STRAIGHT GATE MODE: With the trigger
in the upper position, the shifter functions
in the STRAIGHT GATE mode. The handle
travels in a direct line forward and back-
ward from PARK to DRIVE. The trigger
must be raised up to clear the stop gates
while going through the gear positions.
RATCHET SHIFT MODE: The RATCHET
SHIFT mode allows firm, positive no-
miss upshifts and downshifts through all
positions from 1 (Low gear) to Neutral. To
switch from STRAIGHT GATE to
RATCHET operation, first operate the
shifter to the Drive position. The trigger
will snap down approximately 3/4". The
shifter is now in the RATCHET MODE,
Drive gear position. The shifter will only
operate in the RATCHET MODE between
Neutral and First, it will not ratchet to
Reverse or Park. This is done to prevent
accidental shifting into Reverse.
SHIFTING IN THE RATCHET MODE: Move
the shift handle forward or backward with
a quick firm action until it hits the internal
stops, and allow it to spring return to the
center position. The shifter is now ready
for the next shift.

To switch the shifter from RATCHET

MODE back to the STRAIGHT GATE

MODE, operate the shifter to the Drive
gear position, pull up firmly on the trigger
to engage the STRAIGHT GATE MODE
and move the handle forward to Neutral,
Reverse and Park.
REMEMBER: To switch from the
STRAIGHT GATE MODE to the RATCHET
MODE or from RATCHET MODE to
STRAIGHT GATE MODE you must be in
the Drive gear position. Refer to the shift

indicator gear position.
SPECIAL NOTE: If the instructions for op-
erating your shifter seem complicated,
DO NOT BECOME ALARMED. You will
find that in actual use the shifter will be
extremely easy to operate after a minimal
amount of experience. Caution: The
shifter is an important controlling mecha-
nism of your vehicle and can create seri-
ous driving hazards when any part is
loose, missing or misadjusted. After you
have installed your B&M Light Truck
Megashifter
in the vehicle, we recom-
mend you review the instructions to as-
sure complete and proper installation.

Figure 10

Route indicator cable around
front of backing plate and over

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