Deutsch Autosport AS 55-Way Inline — Pin (Male) — Red Key (N)
The Deutsch Autosport AS 55-Way Inline Pin (Male) Connector with Red (N) Keying Insert — SKU: AS116-35PN is a professional MIL-spec-grade Deutsch Autosport AS series inline connector for high-density full ECU main harness interfaces, complete PDM system separable joins, and complex race car loom separation points in race cars and high-performance vehicles across Norway, Sweden, and Denmark. Configured as an inline separable join — both halves are free, cable-mounted connectors within the wire run, creating a separable interface at any intermediate point in the harness without requiring a panel or bulkhead mounting point.
Deutsch Autosport AS 55-Way — Series Design and Circuit Count
The Deutsch Autosport AS series is the standard circular connector format for professional motorsport wiring — featuring an aluminium alloy shell machined to MIL-spec tolerances, gold-plated contact interfaces for low-resistance long-term electrical performance, and a positive push-pull locking mechanism that stays secure under sustained race vibration and rapid connector cycling at service intervals. The 55-way AS inline is specified for ECU main harness interfaces and complete PDM wiring system separable joins — where virtually the entire ECU pin count and a large portion of PDM output wiring must cross a single inline connector interface. Used in the most complex race car loom builds to maximise circuit density at a single separable join. The 55-circuit inline is one of the highest circuit count as configurations — for ecu main harness and complete pdm wiring system separable joins in professional motorsport builds.
Pin (Male) — 55-Circuit Contact Array
This listing is the pin half of the 55-way AS inline pair. Fifty-five gold-plated pin contacts carry fifty-five individual circuits across this high-density inline separable join — the full ECU main harness and PDM output circuit complement transferred through a single connector interface. The corresponding socket half of the same circuit count and key colour is required to complete the mated connector pair — both halves must be ordered to form a functional inline separable join. AS contacts are ordered separately; select the correct contact part number for your wire gauge and current requirements.
Red Key (N) — The neutral (non-keyed) position in the deutsch as system
Red N is the correct keying choice when only a single 55-circuit AS inline connector is used at this separation point on the harness — where no adjacent same-size connector exists to create a mis-mate risk. An N-keyed connector will mate with any other N-keyed half of the same circuit count, making it the straightforward default for single-connector 55-circuit inline joins. Red N is also commonly used on initial harness prototype builds before the final keying strategy is defined, and on race car looms where the circuit separation plan results in each AS connector being a unique circuit count — eliminating any possibility of mis-mating by design rather than by keying. Harness builders across Norway, Sweden, and Denmark routinely specify Red N for standalone 55-way AS inline joins where keyed mis-mate prevention is not required.
Inline Configuration — Flexible Harness Separation Without a Fixed Mount
The AS inline configuration places the separable join within the harness run itself — neither connector half is fixed to a panel or chassis surface. This makes it the preferred choice for engine-to-chassis harness separation points, subframe and removable component harness joins, and any separable interface along the wire run where flexible placement is required. The inline format is widely used across professional race car loom builds in Norway, Sweden, and Denmark for its placement flexibility and its clean, balanced appearance when both halves are routed through the same harness trunk or loom sleeve.
Technical Specifications
- Series: Deutsch Autosport AS
- Circuits: 55-way
- Configuration: Inline
- Contact type: Pin (Male)
- Key colour: Red (Key N)
- Shell material: Aluminium alloy
- Operating temperature: -65°C to +175°C
- Locking: Push-pull positive lock
- Typical application: Single-connector inline joins where no mis-mate risk exists between multiple same-circuit-count connectors
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