2 in. LED Vacuum/Boost Gauge
8238438
V 2.1
3
For technical questions call: 1-800-665-8685
INSTALLATION
NOTE: When this manual refers to a part number, it refers to the included parts list.
1. Using Fig. 1 as a guide, connect adapter fitting (#2) to vacuum/boost gauge (#1). Do
not overtighten.
2. Attach the polyurethane tubing (#3) to the adapter fitting.
3. Run polyurethane tubing through firewall and connect to ‘T’ fitting (#4). Protect tube
with rubber grommet (sold separately) at firewall opening.
4. Locate vacuum/boost line protruding from intake manifold, then cut and connect to
boost tee.
5. Attach the white lead of the wiring harness (#5) to the ‘run’ wire from the ignition
switch and the orange wire to the dash light wiring. Insulate the connections with
electrical tape.
6. Ensure the black wire is grounded to the chassis of the car.
7. Mount the vacuum/boost gauge to the dash using the mounting bracket (#6) and the
supplied hardware.
8. Attach the wiring harness to back of vacuum/boost gauge.
Figure 1
