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 mission is slipping, chatters or is in PCM (Powertrain Control Module)
Improver is engineered to improve the poor general shape, the installation of or Computer is mounted either un-
shift characteristics of your automatic this Electronic Shift Improver may der the hood or under the dash. See
transmission. The shifts will be firmer worsen the condition. Figure 1 for more information.
and more positive when the ShiftPlus+ When installing your B&M ShiftPlus+ STEP 2. Once you have located
is switched to position 1 or 2. This Electronic Shift Improver there are the PCM, carefully remove the wire
ShiftPlus+ has been designed to work several other B&M products you may loom(s) from the PCM, allowing
on all 1993 thru 1998 GM vehicles wish to consider: easier access to the wires.
equipped with the 4L60E and 4L80E B&M SuperCooler Automatic STEP 3. Determine where you
electronic automatic transmission. This Transmission Coolers: We feel that would like to mount the head unit.
transmission can easily be identified it is very important that every vehicle Make sure that the wires will reach
by reviewing the build code decal, used in heavy duty and hi performance the PCM (if the PCM is under the
typically located in the glove box or applications (racing, towing, RV, etc.) hood, you will need to drill a 3/16"
center console. If either an "M30" should have an oil cooler. Heat is the hole in the firewall to pass the wires
(4L60E) or "MT1" (4L80E) code is major cause of transmission failures, through).
present, this unit will work. and an oil cooler is an inexpensive STEP 4. Carefully clean the back
We recommend that you read through safeguard against overheating and trans- of the head unit and the mounting
the instructions completely before mission failure. surface with rubbing alcohol and a
beginning the installation, so you can B&M Trick Shift Performance Auto- cotton ball. Using the supplied hook
familiarize yourself with the matic Transmission Fluid #80259 and loop tape, carefully attach the
installation procedure and tools Trick Shift performance automatic trans- "loop" tape to the back of the head
required. Check the tool list at the mission fluid is the industry’s only real unit. Attach the "hook" tape to the
end of these instructions for the tools performance ATF. A specially blended mounting location inside the ve-
required to install your B&M ShiftPlus+ oil with foam inhibitors, extreme pres- hicle. Note: For best results, allow
Electronic Shift Improver. sure agents and shift improvers, this the tape to cure for 24 hours before
Installation of the B&M ShiftPlus+ fluid assures protection while delivering attaching head unit to mounting
can be accomplished by anyone with the fastest possible shifts. You literally location.
minimum mechanical experience. It “Pour in performance.” STEP 5. Carefully route the wires
is however, important to closely follow and the control unit under the dash,
INSTALLATION
the instructions. making sure to mount the control
NOTICE: The B&M ShiftPlus+ Elec- STEP 1. Disconnect the negative unit where there is adequate air
tronic Shift Improver is not a cure-all battery cable. Depending on the circulation (the control unit will get
for an ailing transmission. If your trans- year and model of you vehicle, the 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
PCM (Computer) Locations
ShiftPlus+ wire harness needs to
T
be extended, use 18-20 ga. wire,
L M N P R S
being sure to solder the connec-
Corvette: Under hood E
tions. Use black electrical tape to
Camaro: Under hood A B C D
protect the exposed connections.
Impala SS: Under hood
STEP 6. Review the following fig-
Early Trucks: Behind glove box
ures to locate which wires you will Arrow
Late Trucks: Under hood
be attaching the leads. NOTE: Terminal "C" (Red w/ Black Stripe
Other Vehicles: See service manual
Wires must match colors indi- Terminal "D" (Light Blue w/ White Stripe)
cated in diagrams. If you wish to
make connections at the transmis- Figure 1 Figure 2
sion, refer to Figure 2. Note: 1993
C/K trucks had three (3) different
PCMs. C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
a. Locate the Red with Black D

Stripe wire and crimp it to the Red PCM Connector (Pink)

PCM Connector C3 (Blue)
wire from the ShiftPlus+ using the Terminal #C6 (Red w/ Black Stripe)
Terminal #6 (Light Blue w/ White Stripe)
supplied Scotchloc® connector. Terminal #C11 (Light Blue w/ White Stripe)
Terminal #5 (Red w/ Black Stripe)
b. Locate the Light Blue with 1993-1995 C/K Truck (6.5L Diesel) 1993-1995 Camaro/Firebird (3.4L)
White Stripe wire and crimp it to
the Black wire from the ShiftPlus+
using the supplied Scotchloc® con- C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
nector. D

STEP 7. Carefully tape up the con-

PCM Connector (Brown)
nections using black electrical tape. PCM Connector C3 (Grey or White)
Terminal #C7 (Red w/ Black Stripe) Terminal #16 (Red w/ Black Stripe)
Use the supplied tie wraps to make
Terminal #C15 (Light Blue w/ White Stripe)
sure the wires are routed safely.
1996-1998 C/K Truck (6.5L Diesel)
Reconnect the negative battery
cable. PCM Connector C4 (Blue)
Terminal #2 (Light Blue w/ White Stripe)
STEP 8. Position 1 (single dot) on
the ShiftPlus+ will provide firmer, A
1994-1996 Corvette, Impala SS
1 2 3 4 5 6 7 8 9 10 11 12
more positive shifts. Position 2 B
1994-1997 Camaro/Firebird (5.7L)
(double dot) on the ShiftPlus+ will
PCM Connector (Brown)
provide the firmest shifts. The cen-
Terminal #B8 (Red w/ Black Stripe)
ter position (off) on the ShiftPlus+
Terminal #B7 (Light Blue w/ White Stripe)
will return the shifts to stock firm-
1993 C/K Truck (5.7L, 7.4L w/ 4L80E)
ness. NOTE: 1998 vehicles re-
quire that the engine be turned
PCM Connector C2 (White)
off before making changes to Terminal #20 (Light Blue w/ White Stripe)
E
the switch position. 1997 and 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Terminal #61 (Red w/ Black Stripe)
F
earlier vehicles may be switched 1996-1998 Camaro/Firebird (3.8L)
while the engine is running. PCM Connector (Blue)
Terminal #F10 (Red w/ Black Stripe)
Terminal #F7 (Light Blue w/ White Stripe)
1993-1994 S/T Truck (4.3L)
Parts List
1993 C/K Truck (4.3L, 5.0L, 5.7L w/ 4L60E)
1 ShiftPlus+ Controller
1994-1995 C/K Truck (4.3L, 5.0L, 5.7L, 7.4L)
2 Hook & Loop Tape
PCM Connector C2 (White)
2 Scotchloc® Connectors
Terminal #36 (Light Blue w/ White Stripe)
2 Tie Wraps
Terminal #39 (Red w/ Black Stripe)
1 Instruction Sheet
1997-1998 Corvette
1998-1998 Camaro/Firebird (5.7L)
Tool List PCM Connector C3 (Grey or White)
Pliers Terminal #6 (Red w/ Black Stripe)
Electric Drill w/ 3/16" bit Terminal #16 (Light Blue w/ White Stripe)
Common Socket Set 1995-1998 S/T Truck (4.3L)
Rubbing Alcohol and Cotton Ball 1996-1998 C/K Truck (4.3L, 5.0L, 5.7L, 7.4L)

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