Fitment notes: Battery located in front trunk (frunk); European spec vehicle uses smaller capacity battery than US counterparts
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Every control module on the 1973 Porsche 911T — where it lives, replacement time, and what it takes to program a replacement.
Capacitive Discharge Ignition Control Box (CDI)0.5 hr R&Rno coding
📍 Engine compartment, mounted near distributor or on firewall
⚠️ Solid-state ignition amplifier for points-triggered system; no programming capability. Timing adjustment via distributor only. Some 911T models retained conventional points ignition without CDI.
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 911T 2.4L (2341cc) air-cooled flat-6 with Bosch mechanical fuel injection (MFI), ~140 hp and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.