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 RX-7 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE
Choke Relay
- Disconnect relay and check continuity between terminals. Continuity should exist between terminals No. 1 and 2, No. 4 and 2, and between terminals No. 4 and 1. No continuity should exist between terminals No. 3 and 2, or between terminals No. 3 and 4.
- Using jumper wires, connect battery positive terminal to choke relay terminal No. 6 and battery negative terminal to terminal No. 5. See Fig 1.
- Continuity should exist between terminals No. 3 and 2 and between terminals No. 4 and 3. No continuity should exist between terminals No. 1 and 2, No. 4 and 2, or between terminals No. 1 and 4.
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.