B&M SHIFTPLUS User Manual
Installation Instructions
ShiftPlus+
Electronic Shift Improver
1993 - 1998 GM 4L60E/4L80E
Transmissions
© 1999 B&M Racing and Performance Products
The B&M ShiftPlus+ Electronic Shift
Improver is engineered to improve the
shift characteristics of your automatic
transmission. The shifts will be firmer
and more positive when the ShiftPlus+
is switched to position 1 or 2. This
ShiftPlus+ has been designed to work
on all 1993 thru 1998 GM vehicles
equipped with the 4L60E and 4L80E
electronic automatic transmission. This
transmission can easily be identified
by reviewing the build code decal,
typically located in the glove box or
center console. If either an "M30"
(4L60E) or "MT1" (4L80E) code is
present, this unit will work.
We recommend that you read through
the instructions completely before
beginning the installation, so you can
familiarize yourself with the
installation procedure and tools
required. Check the tool list at the
end of these instructions for the tools
required to install your B&M ShiftPlus+
Electronic Shift Improver.
Installation of the B&M ShiftPlus+
can be accomplished by anyone with
minimum mechanical experience. It
is however, important to closely follow
the instructions.
NOTICE: The B&M ShiftPlus+ Elec-
tronic Shift Improver is not a cure-all
for an ailing transmission. If your trans-
mission is slipping, chatters or is in
poor general shape, the installation of
this Electronic Shift Improver may
worsen the condition.
When installing your B&M ShiftPlus+
Electronic Shift Improver there are
several other B&M products you may
wish to consider:
B&M SuperCooler Automatic
Transmission Coolers: We feel that
it is very important that every vehicle
used in heavy duty and hi performance
applications (racing, towing, RV, etc.)
should have an oil cooler. Heat is the
major cause of transmission failures,
and an oil cooler is an inexpensive
safeguard against overheating and transmission failure.
B&M Trick Shift Performance Automatic Transmission Fluid #80259
Trick Shift performance automatic transmission fluid is the industry’s only real
performance ATF. A specially blended
oil with foam inhibitors, extreme pressure agents and shift improvers, this
fluid assures protection while delivering
the fastest possible shifts. You literally
“Pour in performance.”
INSTALLATION
STEP 1. Disconnect the negative
battery cable. Depending on the
year and model of you vehicle, the
PCM (Powertrain Control Module)
or Computer is mounted either under the hood or under the dash. See
Figure 1 for more information.
STEP 2. Once you have located
the PCM, carefully remove the wire
loom(s) from the PCM, allowing
easier access to the wires.
STEP 3. Determine where you
would like to mount the head unit.
Make sure that the wires will reach
the PCM (if the PCM is under the
hood, you will need to drill a 3/16"
hole in the firewall to pass the wires
through).
STEP 4. Carefully clean the back
of the head unit and the mounting
surface with rubbing alcohol and a
cotton ball. Using the supplied hook
and loop tape, carefully attach the
"loop" tape to the back of the head
unit. Attach the "hook" tape to the
mounting location inside the vehicle. Note: For best results, allow
the tape to cure for 24 hours before
attaching head unit to mounting
location.
STEP 5. Carefully route the wires
and the control unit under the dash,
making sure to mount the control
unit where there is adequate air
circulation (the control unit will get
warm under normal operating con-
Printed in the U.S.A.
9500631-06
ditions). Route the wires from the
control unit up to the PCM. If the
ShiftPlus+ wire harness needs to
be extended, use 18-20 ga. wire,
being sure to solder the connections. Use black electrical tape to
protect the exposed connections.
STEP 6. Review the following figures to locate which wires you will
be attaching the leads. NOTE:
Wires must match colors indicated in diagrams. If you wish to
make connections at the transmission, refer to Figure 2. Note: 1993
C/K trucks had three (3) different
PCMs.
a. Locate the Red with Black
Stripe wire and crimp it to the Red
wire from the ShiftPlus+ using the
supplied Scotchloc® connector.
b. Locate the Light Blue with
White Stripe wire and crimp it to
the Black wire from the ShiftPlus+
using the supplied Scotchloc® connector.
STEP 7. Carefully tape up the connections using black electrical tape.
Use the supplied tie wraps to make
sure the wires are routed safely.
Reconnect the negative battery
cable.
STEP 8. Position 1 (single dot) on
the ShiftPlus+ will provide firmer,
more positive shifts. Position 2
(double dot) on the ShiftPlus+ will
provide the firmest shifts. The center position (off) on the ShiftPlus+
will return the shifts to stock firmness. NOTE: 1998 vehicles re-
quire that the engine be turned
off before making changes to
the switch position. 1997 and
earlier vehicles may be switched
while the engine is running.
Parts List
1 ShiftPlus+ Controller
2 Hook & Loop Tape
2 Scotchloc® Connectors
2 Tie Wraps
1 Instruction Sheet
Tool List
Pliers
Electric Drill w/ 3/16" bit
Common Socket Set
Rubbing Alcohol and Cotton Ball
PCM (Computer) Locations
Corvette: Under hood
Camaro: Under hood
Impala SS: Under hood
Early Trucks: Behind glove box
Late Trucks: Under hood
Other Vehicles: See service manual
Figure 1
C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
D
PCM Connector (Pink)
Terminal #C6 (Red w/ Black Stripe)
Terminal #C11 (Light Blue w/ White Stripe)
1993-1995 C/K Truck (6.5L Diesel)
C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
D
PCM Connector (Brown)
Terminal #C7 (Red w/ Black Stripe)
Terminal #C15 (Light Blue w/ White Stripe)
1996-1998 C/K Truck (6.5L Diesel)
A
1 2 3 4 5 6 7 8 9 10 11 12
B
PCM Connector (Brown)
Terminal #B8 (Red w/ Black Stripe)
Terminal #B7 (Light Blue w/ White Stripe)
1993 C/K Truck (5.7L, 7.4L w/ 4L80E)
E
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
F
PCM Connector (Blue)
Terminal #F10 (Red w/ Black Stripe)
Terminal #F7 (Light Blue w/ White Stripe)
1993-1994 S/T Truck (4.3L)
1993 C/K Truck (4.3L, 5.0L, 5.7L w/ 4L60E)
1994-1995 C/K Truck (4.3L, 5.0L, 5.7L, 7.4L)
PCM Connector C3 (Grey or White)
Terminal #6 (Red w/ Black Stripe)
Terminal #16 (Light Blue w/ White Stripe)
1995-1998 S/T Truck (4.3L)
1996-1998 C/K Truck (4.3L, 5.0L, 5.7L, 7.4L)
T
L M N P R S
E
A B C D
Arrow
Terminal "C" (Red w/ Black Stripe
Terminal "D" (Light Blue w/ White Stripe)
Figure 2
PCM Connector C3 (Blue)
Terminal #6 (Light Blue w/ White Stripe)
Terminal #5 (Red w/ Black Stripe)
1993-1995 Camaro/Firebird (3.4L)
PCM Connector C3 (Grey or White)
Terminal #16 (Red w/ Black Stripe)
PCM Connector C4 (Blue)
Terminal #2 (Light Blue w/ White Stripe)
1994-1996 Corvette, Impala SS
1994-1997 Camaro/Firebird (5.7L)
PCM Connector C2 (White)
Terminal #20 (Light Blue w/ White Stripe)
Terminal #61 (Red w/ Black Stripe)
1996-1998 Camaro/Firebird (3.8L)
PCM Connector C2 (White)
Terminal #36 (Light Blue w/ White Stripe)
Terminal #39 (Red w/ Black Stripe)
1997-1998 Corvette
1998-1998 Camaro/Firebird (5.7L)
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