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.
1979 Mazda B2000 BaseFACTORY OEM SERVICE PROCEDURE
Ignition Module Test: Courier
- Connect test light (3.4 watts) to ignition coil positive and negative terminals. See Fig 1. Attach one end of jumper wire to positive terminal. Disconnect distributor 2-pin connector.
- Attach other end of jumper wire to Red wire terminal on module side of connector. Turn ignition on. Test light should come on. Test light should go out when jumper wire is disconnected.
- If test light does not function as stated, retest to make sure bulb is okay and that all connections are tight. If results are still incorrect, replace control module and retest.
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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