Wiring Untangled

Interactive Wiring Diagrams

Click-to-trace circuit diagrams for early Porsche 356, 911 & 912. One subscription unlocks the entire library.

Try a free demo first.

See the difference between Basic and Premium — no account needed.

Try Basic Demo → Try Premium Demo →
1960–1962
Porsche
356B
Pushrod 4-cylinder · Pre-356C generation
View Diagram →
1963–1965
Porsche
356C / SC
Covers both C & SC · SC differs only by tach face
View Diagram →
1965–1966
Porsche
911 (5-Gauge)
Complete dashboard & engine bay
View Diagram →
Porsche
912 (3-Gauge)
4-cylinder variant · Simplified gauge cluster
View Diagram →
1967–1968
Porsche
911 (5-Gauge w/ Foglight Relay)
Updated relay configuration · 5-gauge dash
View Diagram →
Porsche
912 (5-Gauge w/ Foglight Relay)
4-cylinder · Upgraded to 5-gauge cluster
View Diagram →
1969
Porsche
911S / 911E
MFI · CDI ignition · Long wheelbase

Includes the following supplements

View Diagram →
Porsche
911T
Carbureted · Points ignition · Long wheelbase

Includes the following supplements

View Diagram →
Porsche
912
Final year · Generator · Mechanical fuel pump
View Diagram →
1970–1971
Porsche
911S / 911E
MFI · CDI ignition · Long wheelbase

Includes the following supplements

View Diagram →
Porsche
911T
Carbureted · Points ignition

Includes the following supplements

View Diagram →
1972–1973
Porsche
911S / 911E / 911T
CIS fuel injection · All variants

Includes the following supplements

View Diagram →
1974
Porsche
911 (CIS)
Bosch CIS fuel injection · USA spec

Includes the following supplements

View Diagram →
Porsche
911 (CIS + Sportomatic)
CIS injection · Sportomatic transmission

Includes the following supplements

View Diagram →
1975
Porsche
911 (CIS)
Bosch CIS fuel injection · USA spec

Includes the following supplements

View Diagram →
Porsche
911 (CIS + Sportomatic)
CIS injection · Sportomatic transmission

Includes the following supplements

View Diagram →
1976
Porsche
911S New
Bosch CIS fuel injection · USA spec

Includes the following supplements

View Diagram →
Porsche
911S (Sportomatic) New
CIS injection · Sportomatic transmission

Includes the following supplements

View Diagram →
Porsche
911 Turbo New
3.0-litre turbocharged · K-Jetronic CIS · USA spec
View Diagram →
1977
Porsche
911 New
Bosch CIS · Intermittent wipers in the main harness

Includes the following supplements

View Diagram →
Porsche
911 (Sportomatic) New
CIS injection · Sportomatic transmission

Includes the following supplements

View Diagram →
Porsche
911 Turbo New
3.0-litre turbocharged · K-Jetronic CIS · boost gauge and ignition cut-off

Includes the following supplements

View Diagram →
1978–1979
Porsche
911 SC New
3.0-litre CIS · SC-series main harness

Includes the following supplements

View Diagram →
Porsche
911 SC (Sportomatic) New
3.0-litre CIS · Sportomatic transmission

Includes the following supplements

View Diagram →
1980
Porsche
911 SC New
3.0-litre CIS · Lambda oxygen sensor control

Includes the following supplements

View Diagram →
Porsche
911 SC (Sportomatic) New
3.0-litre CIS · Lambda control · Sportomatic transmission

Includes the following supplements

View Diagram →
1981
Porsche
911 SC New
3.0-litre CIS · Lambda oxygen sensor control · USA

Includes the following supplements

View Diagram →
1982–1983
Porsche
911 SC New
3.0-litre CIS · Lambda oxygen sensor control · Headlight washer

Includes the following supplements

View Diagram →

Don’t See Your Car?

We’re adding new diagrams regularly — coverage is expanding through 1983. Tell us what you need and we’ll notify you when it’s ready.

Notify Me When Available →

One subscription unlocks every diagram above. Passes start at $5.99.

See Pricing →
Scroll to Top