Vitara JS (2Dr) 2WD L4-1.6L DOHC MFI (1999)
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Fuel Gauge Module: Component Tests and General Diagnostics
1. Remove rear bumper facing.
2. Detach grommet from vehicle.
3. Disconnect coupler.
4. Connect BI/W terminal of coupler to a light bulb (12 V, 3.4W) as shown.
5. Turn ignition switch ON.
Make sure that bulb is lighted with meter pointer fluctuating several seconds thereafter. If meter is faulty, replace.