Equus 8457 - 2-5/8 Vacuum/Boost Gauge User Manual
Preparation for installation, Mounting and installation, Gauge light installation and connection
INSTALLATION INSTRUCTIONS
BOOST / VACUUM GAUGES/KITS
PREPARATION FOR INSTALLATION
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© 2004 IEC - All Rights Reserved
MRP #93-003
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1.
Read instructions completely before installation. Seek the advice of
a professional if you are not familiar with the installation of vehicle
instrumentation or the functions of related vehicle systems.
2. Install gauges only when engine is cool and ignition is off.
3. Make sure all necessary tools, materials, and parts are on hand.
4. Always read the vehicle's service manual and follow it’s safety pre-
cautions.
5. Disconnect negative (-) battery cable before installing gauges (do
not forget to reconnect battery after installation is complete).
NOTE: It may be necessary to reprogram your radio, clock, etc. after
reconnecting the battery.
NOTE: Additional mounting options (pillar mount, console mount, etc.)
and hardware are available for some gauges. For information on
optional mounting configurations, mounting hardware and prices, visit
us on the web at www.iequus.com
A. PANEL INSTALLATION
For On-Dash or Under-Dash mounting
(panel is optional with some gauge models
and must be purchased separately).
1. Determine the mounting location for the
gauge.
2. Using gauge panel as a template, mark
locations for screws.
3. Drill small holes for the screws and secure
panel with screws and flat washers provided.
MOUNTING AND INSTALLATION
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B. IN-DASH MOUNTING OPTION
1. Determine a location on the dashboard that can be cut out without
striking any objects behind the dash.
2. Using a hole template, cut out a 1-1/2" (3,8 cm), 2" (5,1 cm) or
2-5/8"(6,7 cm) hole, as necessary, through the dashboard.
3. Using a round file, smooth out the rough edges around the drilled
hole.
C. INSTALLING GAUGE INTO GAUGE PANEL OR IN-DASH
1. Insert gauge through front of panel or
hole in dashboard.
2. Hold gauge case and rotate gauge, as
needed, until gauge dial face is prop-
erly positioned in front of dashboard/
panel.
3. Tighten locking ring on gauge in clock-
wise direction until gauge is tight
against dashboard/panel.
Tighten
locking ring HAND TIGHT ONLY.
Figure 1. Gauge Panel
LOCKING
RING
Figure 2. Gauge Equipped
with Locking Ring
NOTE: Depending on the model of gauge, backlighting color may be
changed to either red, green or blue by installing the optional color fil-
ter over the bulb (not available for all gauge kits).
1. Insert the light bulb and socket assemblies into the light recepta-
cles on the back of the gauge and press firmly to snap/lock into
place.
NOTE: Wire for gauge lights must be purchased separately. Use
size 18-20 AWG stranded copper wire.
2. Splice the RED or WHITE wire from the gauge light(s) into the
vehicle's lighting circuit, between the dimmer control switch and the
dash lights (consult the vehicle's service manual for proper wire).
GAUGE LIGHT INSTALLATION AND CONNECTION
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3. Connect light socket BLACK wire to a good chassis ground.
4.
Insulate all splices and connections with
shrink tubing to prevent shorting.
WARNING: For bulb replacement
use only part # 161 Instrument/
Indicator wedge type bulbs avail-
able at most auto parts stores. DO
NOT USE ANY OTHER PART NUM-
BER SINCE THE HEAT PRODUCED
BY A HIGHER WATTAGE BULB
WILL MELT THE GAUGE CASE
AND CREATE A FIRE HAZARD.
BULB AND
SOCKET ASSEMBLY
OPTIONAL COLOR
FILTER
GAUGE
Figure 3. Light Bulb
Installation
5.0
5.0