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.
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HOMESERVICE MANUALSMAZDA1995B4000 4WD V6-4.0L OHVREPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSPOWERTRAIN MANAGEMENTMAIN RELAY (COMPUTER/FUEL SYSTEM)
1995 Mazda B4000 4WD V6-4.0L OHV
Main Relay (Computer/Fuel System)
1995 Mazda B4000 4WD V6-4.0L OHVSECTION Main Relay (Computer/Fuel System)
Battery voltage applied
terminals 86 and 86 Battery voltage at terminals 30 and 87
NO Battery voltage applied
terminals 86 and 86 NO Battery voltage at terminals 30 and 87
terminals 86 and 86 Battery voltage at terminals 30 and 87
NO Battery voltage applied
terminals 86 and 86 NO Battery voltage at terminals 30 and 87
RENDER: 1.0x
NO RELATED
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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.