
INSTALL INSTRUCTIONS C-TCB-3
TELESCOPING COMPUTER BASE
1995–1999 CHEVROLET/GMC
CK-PICKUP, TAHOE, SUBURBAN, YUKON
TOOLS REQUIRED:
3/16” Allen wrench
3/8” Standard Socket Set
3/8” Metric Socket Set
HARDWARE & COMPONENTS:
QTY DESCRIPTION PART #
1 Pole support assembly CM93071-1
1 Telescoping pole assembly CM93072-3
1 Side support brace CM93115
1 Universal support brace CM93135
1 5/16-18”Nylock nut GSM30017
2 5/16”Flat washer GSM31006
1 5/16-18 x 1”Hex head bolt GSM33012
2 ¼” x ¾”Hex head lag bolt GSM33060-1
3/8” Ratcheting Wrench
Powered drill w/ 3/16” drill bit
Open-end wrench set
Telescoping pole
assembly
Pole support
assembly
Front inner passenger
seat bolt
Side support brace
(2) ¼” x ¾”Hex
head lag bolt
Universal support
brace
Front outer passenger
seat bolt mount
(1)-5/16-18 x 1” Hex
head bolt, (2)-
Washers, and (1)-
Nylock nut
C-TCB-3-INST-1-05

SUB ASSEMBLY:
1. Confirm receipt of hardware and components.
2. Loosen or remove front inner and outer passenger seat bolts on vehicle.
INSTALLATION:
1. Mount C-TCB-3 into vehicle:
• Slide pole support assembly between front inner seat base mount and floor of vehicle.
• Loosely attached factory seat bolt.
• Slide universal support brace between front outer seat base mount and floor of
vehicle.
• Attach universal support brace and side support brace to welded tab on side of pole
support assembly and loosely attach using 5/16-18 Hex head bolt, washers and nylock
nut.
• Position assembly on passenger seat base and completely tighten factory seat bolts.
• Mount side support brace to vehicle using ¼” x ¾” Hex head lag bolts. A 3/16” pilot
is required.
Note: When mounting side support brace to floor of vehicle, be sure to check for obstructions prior to
drilling or lag bolting to floor.
• Mount optional C-3090 computer-mounting platform to telescoping pole assembly
using hardware and instructions provided with C-3090.
C-TCB-3-INST-1-05