Fitment notes: Battery located in front trunk (frunk); European DIN specification preferred
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Control Modules — 1973 Porsche 911
Every control module on the 1965-1973 Porsche 911 — where it lives, replacement time, and what it takes to program a replacement.
Capacitive Discharge Ignition Unit (CDI)0.5 hr R&Rno coding
📍 Engine compartment, mounted near distributor or on firewall
⚠️ Optional equipment on some models; solid-state ignition amplifier, no programming required, purely analog
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1973 Porsche 911 2.4L Flat-6 (911T, carbureted then CIS mid-year) and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.