JET Air/Fuel Meter Installation & User Guide
1. Mounting the Air / Fuel Meter
Using the supplied Velcro, Suction Cups or L-Brackets, locate the Air /Fuel Meter in a convenient location that does not obstruct your view.
TIP: Clean the mounting area with alcohol or another nonabrasive cleaner to ensure the Velcro or Suction Cups adhere properly.
2. Disconnect the Negative Battery Cable
Locate the battery and remove the negative battery cable.
3. Routing the Wiring Harness
The wiring harness must be routed through the firewall to reach under the hood. Under the dash near the location that you mounted the Air / Fuel Meter, locate an existing plug or wiring harness that goes out under the hood and route the Air / Fuel Meter wiring through the firewall.
TIP: Make sure the wiring harness does not interfere with any moving parts (i.e.: gas or brake pedal) or touch anything under the hood that produces excessive heat, such as the exhaust system.
4. Connecting the Air / Fuel Meter + 12 V Power Connection (RED WIRE)
Locate the vehicles fuse box. It is normally located on the drivers side of the vehicle under the dash or in the driver’s side kick panel or under the hood. Included in the Air / Fuel Meter installation parts you have two brass fuse adaptors. Depending on which type of fuses your vehicle uses, select the one that fits your type of fuse. Connect the fuse adaptor to a fuse that has +12 volts all the time. Connect the RED WIRE from the Air / Fuel Meter to the fuse adaptor you just installed.
5. Connecting the Air / Fuel Meter ground wire (BLACK WIRE)
Connect the Black Wire from the Air / Fuel Meter to a suitable ground point. Existing screws or nuts that are attached to metal are a good location for this purpose.
6. Connecting the +12 Volt Keyed Source Wire (BROWN WIRE)
Included in the Air / Fuel Meter installation parts you have two brass fuse adaptors. Depending on which type of fuses your vehicle uses, select the one that fits your type of fuse. Connect the fuse adaptor to a fuse that has +12 volts only when the key is in the ON and RUN position. Make sure this connection has no voltage when the key is OFF . Connect the BROWN WIRE from the Air / Fuel Meter to the fuse adaptor you just installed.
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