GReddy Multi D/A Gauge Instruction Manual - Page 4
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4. Installation
When installing or uninstalling sensors, disconnect sensors from sensor harness. Do not twist harness on the sensor side.
Installation process should be examined carefully. Make sure not to fall anything. Misinstallation would lead to a danger of your driving and life.
When installing sensors, fix them securely and use the seal tape not to leaking oil & water. Oil & water leaking would catch fire and lead to the wreckage
of engine.
【Power unit】
The power unit designed with simple water-resistance
can be installed in the engine room but avoid water, dust,
humid, and high temp.
Use a bolt(s) to fix and make sure not to fall.
【Power harness】
・ Disconnect the minus terminal before wiring the power harness.
・ Wire properly according to the colors of power harness.
・ Tying the red and yellow lines to wire for the power unit, or wiring power source
and ignition power reversely would cause an indicator's glitch.
・ Make sure that there is no miswiring and replace the minus terminal.
Red line
Power source (to 12V line constantly)
Power harness
Yellow line
Ignition power (with ignition on, to 12V line)
White line Small-lamp (with small – lamp on, to 12V line)
Black line Grounding wire (to the minus terminal)
【Water temp sensor】 (Radiator hose attachment)
【Fuel pressure sensor】 (3 way union, hose union example)
Fuel pressure regulator
Fuel return pipe
（Seal tape wrapping）
(Low pressure)
Fix it with a bolt.
Caution
Radiator hose attachment
Hose union
Fuel feed pipe
(High pressure)
Caution
Warning
【Boost sensor】 (3 way joint, orifice, 4Φ hose)
4Φ hose
【Oil pressure & Oil temperature sensors】
Engine side
(Clean before fitting)
Hose band
O ring
(Apply engine oil)
【Exhaust temp sensor】 (Exhaust manifold)
Exhaust manifold
3 way T- adapter
3-way joint
Sensor
(Fix the nipple downward)
Tightening ring
1/8 PT
Drill a hall
Surge tank
Fuel regulator
Fitting
Exhaust temp sensor