1989 Mazda 626 BaseFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Fuse/Relay Box
Engine Compartment On right side of battery.
Passenger Compartment Under dash, on left side. See Figure .
Heater Circuit Breaker In joint/fuse box, with CPU.
Joint/Fuse Box Behind left front kick panel. See Figure .
Main Fuse In engine compartment fuse box.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.