Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1989 Suzuki Swift GLX, AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Pump Relay
- Disconnect negative battery cable. Remove fuel pump relay from fuse box and disengage wiring harness connector. See Figure . Using an ohmmeter, for check continuity between the Black/White wire terminal of relay and Pink/White wire terminal of relay. Resistance should be 56-84 ohms. If not, replace fuel pump relay.
- Energize relay by applying battery voltage to Black/White wire terminal of relay, and ground to Pink/White wire terminal of relay. Using an ohmmeter, check for continuity between White/Blue wire terminal of relay and Pink wire terminal of relay. De-energize relay. Continuity should exist only when relay is energized.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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