
5
INFO
SBA
RADIO AMP
TREC
SEO B1
RADIO
EAP
W/S WASH
W/S WASH
CRANK
BTSI
A/C COMP
RR WPR
The fuse panel is located on the driver’s
side of the vehicle behind the vehicle battery.
Lift off the cover to access the fuse block.
You now can remove the fuse. To remove
the fuse, hold the end of the fuse between
your thumb and index finger and pull
straight out.
Make sure you remember
to re-install the fuse in the proper location
and re-install the fuse panel cover after
programming your vehicle.
Fuse panel
cover
For All 4.8/5.3/6.0/8.1L
GM vehicles
TBC
HAZ LP
RR WPR
RDO AMP
CIGAR
HTD MIR
SEO 2
RADIO
CTSY LP
IGN C
FOG LP
BTSI
FOG LP
AUX PWR
A/C
A/C
HORN
HORN
W/W PMP
DRL
SEO 1
1999-2002 GM vehicle fuse diagram
** Do Not Turn The Ignition Key Off **
1. Disconnect the programmer from the vehicle.
2. Reconnect the programmer to the vehicle.
3. Press the START button on the programmer.
The programmer will resume communications with the vehicle
where it left off. If the programmer fails to re-establish communi-
cations with the vehicle, repeat the procedure. If the programmer
still fails to resume, disconnect the programmer and turn the
vehicle off. Attempt to start your vehicle. If your vehicle fails to
start, the vehicle computer may have been corrupted, and you
will need to send your vehicle computer and programmer to
Hypertech for repair. If the vehicle starts, you will need to return
your programmer to Hypertech for re-initialization, no harm was
done to the vehicle computer.
For 1999-2002 vehicles
, the one (1) fuse that must be removed is
as follows: (see highlighted fuse location above.)
Location
Description
SEO1
Special Equipment Option, OnStar
For 2003-2005 vehicles
, the one (1) fuse that must be removed is
as follows: (see highlighted fuse location below.)
Location
INFO
Description
OnStar
NOTE: Owner’s manual fuse diagram may vary from examples shown.
2003-2005 GM vehicle fuse diagram
(Illustration does not represent entire fuse diagram)