AEM 30-5132M Analog Boost Metric Gauge User Manual

Part Number 30-5132

Analog Boost Gauge

Figure 1. Wiring Schematic

AEM Boost Gauge Parts

1 x 35-5132(B/W) Boost Gauge Assembly
1 x 30-2131-50 Boost Sensor
1 x 35-4302 Install Kit (6 Butt Connectors)
1 x 10-5132 Installation Instructions
1 x 35-3411 8-Pin Power Harness
1 x 35-3410 3-Pin Sensor Harness
1 x 35-8529S Silver Bezel
1 x 35-2151 1/8” NPT Female Hose Adapter
1 x 35-2149 Boost Tee
1 x 8-161 36” Vacuum Hose
4 x 1-117 Zip Tie

AEM Performance Electronics

th

2205 126

Phone: [phone] Fax: [phone]

Street Unit A, Hawthorne, CA. 90250
http://www.aempower.com

Instruction Part Number: 10-5132 Rev 04

© 2009 AEM Performance Electronics

INSTALLATION

1. Disconnect the negative battery cable.

2. Secure the gauge in a 2 1/16th” (52MM) mounting hole with the supplied bracket.

3. Plug the 8-wire power harness into the mating connector on the back of the
gauge and connect the wires as shown in Figure 1. Note: the locating tabs on
the side of the connector should be nearest the center of the gauge.

4. Using the supplied hose adapter, boost tee, vacuum hose, and zip ties, connect
the sensor to a good engine manifold pressure source, downstream of the
throttle body.

5. Connect the sensor to the gauge using the 3-wire sensor cable. The single-row
connector connects to the back of the gauge. The locating tabs on the single­row connector should be nearest the center of the gauge.

RED - Connect BOTH RED wires to a constant 12 volt power source utilizing a 5A fuse.
BLACK – Connect BOTH BLACK wires to a clean power ground.
PINK – Connect to a switched 12 volt power source that is on in the On, Run, and

Crank key positions utilizing a 5A fuse. NOTE: The gauge can be used to help verify a
power source that is on in the On, Run, and Crank key positions. With the sensor
disconnected, turn the key to the On position. The needle will sweep counter-clockwise
against the needle stop then sweep clockwise to the vertical position, pointing down, the
left status light will flash. Move the key to the Run position, then the Crank position.
The needle should remain pointing down, and the status light should continue to flash.
If at any time the needle sweeps counter clockwise, or the status light remains off, the
power source has turned off and is not suitable for use.

GREY - Connect to instrument lighting circuit supply voltage.
*WHITE - Connect to Analog + Input.
*BROWN - Connect to Analog – input. (Must be connected if Analog + is used)
*optional – only needed if using the available differential analog output
Wiring notes:

RED - When wired as shown above, the gauge will park the needle against the
needle stop upon powering down. Alternatively, both RED wires can be connected to
the same location as the PINK wire. With both RED wires and the PINK wire connected
to the same switched power, the needle will remain at its current position upon powering
down. For both power connection methods, the needle will rotate to the parked position
before rotating to the value of the current operating condition upon powering up.
GREY – The GREY wire is used to control the lighting intensity of the gauge.
Maximum lighting intensity is achieved when the GREY wire is connected to 12 volts.
Minimum lighting intensity is achieved when the GREY wire is not connected. The
instrumentation illumination on many vehicles is controlled by varying the supply voltage
to the instrument panel lights. When the GREY wire is connected to the instrument
panel supply voltage, the intensity of the gauge is controlled by the dimmer switch on
the dash.

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WHITE – The WHITE wire should be connected to the Analog + input on the
AEM EMS or the analog + input on a similar device.
BROWN – The BROWN wire should be connected to the Analog – input. If the
EMS or similar device does not have a – input, the BROWN wire should be connected
to a sensor ground. If no sensor ground is available, the BROWN wire should be
connected to a power ground. Note: The BROWN wire must be connected in order

to get correct readings from the analog output.
Gauge Start-Up

The boost gauge has an “auto zero” function that accommodates for variances in
atmospheric pressure. Upon powering up, the gauge will take an instantaneous
pressure reading, which will be used as the “zero point” on the faceplate. This allows
the needle position at atmospheric pressure to be “0” for all operating conditions. The
needle will display between 0-35 psi boost for pressures above the current atmospheric
level. The needle will display between 0-30 inHg for “vacuum” pressures below the
current atmospheric level.

Auto Zero Troubleshooting
If the gauge reads “0” or close to “0” while the engine is idling, the auto zero
pressure measurement is inaccurate. This is most likely caused by a power source that
is not on in the On, Run, and Crank positions.

Changing the Bezel

The AEM Boost Gauge comes with the black bezel installed. However, a silver bezel is
also included in the gauge kit. To change the bezel, orient the gauge so you are looking
at the faceplate. Rotate the bezel counter-clockwise to unscrew it from the gauge cup.
The bezel, lens, and rubber spacer are all removable. Reassemble the gauge as
shown below in Figure 3. Note: When reassembling the gauge, it may be necessary to
apply a light amount of pressure on the lens and spacer to keep the faceplate from
rotating when reinstalling the bezel. Do not over tighten the bezel when

reassembling the gauge.

LENS

BEZEL

Figure 3. Changing Bezels

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RUBBER
SPACER