Deutsch DT Series Waterproof Connector Sets – DT04-2P / DT06-2S, 2–12 Pin

Complete Deutsch DT series connector sets covering the full range of pin counts from 2 to 12 — the most comprehensive DT connector offering for automotive harness builders, agricultural equipment manufacturers, and industrial wiring applications. Each set includes matched male (DT04) and female (DT06) housings with size 16 contacts, wedge locks, and wire seals. The DT series is the global standard for waterproof harness connectors in demanding environments: rated IP67, -55°C to +125°C, 600V, 13A per contact.

Key Specifications

• Series: Deutsch DT (DT04 male / DT06 female)
• Pin Configurations: 2, 3, 4, 6, 8, 12 pin (select above)
• Contact Size: Size 16 (13A continuous, 16–22AWG)
• IP Rating: IP67 (mated)
• Operating Temperature: -55°C to +125°C
• Voltage Rating: 600V
• Housing Material: Glass-filled nylon (PA66-GF), UL94 V-0
• Quantity: 5, 10, or 100 sets (select above)

DT Pin Count Selection Guide

• 2-pin (DT04-2P/DT06-2S): Power + ground. Lighting circuits, solenoid valves, simple actuators.
• 3-pin (DT04-3P/DT06-3S): Supply + signal + ground. Standard for 3-wire sensors (coolant temp, MAP, TPS).
• 4-pin (DT04-4P/DT06-4S): Two power circuits or supply + two signals + ground. Dual-output sensors, H-bridge motor control.
• 6-pin (DT04-6P/DT06-6S): Complex sensor clusters, multi-function actuators, CAN bus + power.
• 8-pin (DT04-8P/DT06-8S): Multi-circuit harness connections, ECU sub-harnesses, implement control.
• 12-pin (DT04-12P/DT06-12S): High-density harness connections, trailer wiring, complex implement interfaces.

DT vs DTM vs DTP — Choosing the Right Deutsch Series

• DT series (this product): Size 16 contacts, 13A per pin, 16–22AWG. Standard housing size. The most widely used Deutsch series for general automotive, agricultural, and industrial harness wiring. Correct choice for the majority of harness applications.
• DTM series: Size 20 contacts, 7.5A per pin, 20–24AWG. Approximately 40% smaller housing than DT. For signal wiring, low-current sensors, and space-constrained applications. Not interchangeable with DT — different contact size and housing geometry.
• DTP series: Size 12 contacts, 25A per pin, 12–16AWG. Larger housing than DT. For high-current circuits: battery connections, motor power, high-draw actuators. Use DTP when any single circuit exceeds 13A.
• Selection rule: Match the series to the highest current circuit in the connector. If all circuits are below 7.5A and wire is 20–24AWG, use DTM. If any circuit is 7.5–13A or wire is 16–18AWG, use DT. If any circuit exceeds 13A, use DTP.

Frequently Asked Questions

What is the difference between DT04 and DT06?

DT04 is the male housing (contains male pin contacts). DT06 is the female housing (contains female socket contacts). The DT04 male plug connects to the DT06 female receptacle. In automotive convention, the male connector (DT04) is typically on the harness side; the female connector (DT06) is on the device/sensor side — this protects the female contacts from damage when the connector is unmated.

What crimp tool do I need for Deutsch DT size 16 contacts?

The Deutsch HDT-48-00 hand crimp tool is the OEM-specified tool for size 16 contacts. It has two die positions: one for the wire barrel crimp and one for the insulation support crimp. Always use a ratchet-type crimp tool — non-ratchet pliers produce inconsistent crimp force, causing high contact resistance and terminal pullout under vibration. Third-party ratchet crimp tools with size 16 dies (Molex, TE Connectivity, IWISS) are also compatible. Verify the die closes fully on the ratchet before releasing — an incomplete crimp cycle indicates incorrect die selection or wire gauge.

What does the wedge lock do and is it required?

The wedge lock (W-series, color-coded by pin count) inserts into the mating face of the housing after all contacts are seated. It serves two functions: (1) it mechanically locks each contact’s locking lance in the engaged position, preventing terminal backout under vibration; (2) it provides a secondary retention force in addition to the contact’s own locking lance. The wedge lock is not optional — a DT connector assembled without the wedge lock will not maintain IP67 sealing and will fail terminal retention requirements. Always install the wedge lock before mating the connector.

How do I remove a terminal from a DT housing?

First remove the wedge lock by inserting a small flat screwdriver into the slot on the mating face and prying it out. Then use a Deutsch extraction tool (or a 1.0mm flat pick) inserted from the rear of the housing to depress the contact’s locking lance while simultaneously pulling the wire from the rear. Do not pull the wire without depressing the lance — this deforms the locking lance and damages the housing cavity, preventing reliable re-insertion. After extraction, inspect the locking lance for deformation before reusing the contact.

Can I mix pin counts in a harness?

Yes. Different pin count DT connectors are used throughout a harness based on the circuit requirements at each connection point. All DT connectors use the same size 16 contacts and the same crimp tool (HDT-48-00), simplifying tooling requirements for mixed pin count harnesses. The wedge lock is pin-count specific — a W2S wedge lock fits only DT06-2S, a W3S fits only DT06-3S, etc. Wedge locks are included in each set.

What is the mating force for DT connectors?

DT connectors require approximately 20–40N mating force (varies by pin count and number of wire seals installed). The latch clicks audibly when fully mated. If the connector does not click, it is not fully mated and the IP67 seal is not engaged. Never force a connector that does not mate smoothly — check for bent pins, misaligned housings, or a missing wedge lock blocking the mating path.

When should I order 100 sets vs 5 or 10 sets?

Order 5 or 10 sets for single-vehicle harness builds, prototype development, and repair applications. Order 100 sets for production harness assembly, fleet maintenance programs, and workshop stock where the same connector is used repeatedly. The 100-set pack provides the lowest cost per set and eliminates reorder delays during production runs. For mixed pin count requirements, order 100-set packs of the most frequently used pin counts (typically 2P, 3P, and 4P) and smaller quantities of less common pin counts (8P, 12P).

Are these genuine Deutsch connectors?

These are Deutsch-compatible DT series connectors manufactured to DT series dimensional and performance specifications. For OEM warranty repair or safety-critical applications requiring certified genuine TE Connectivity / Deutsch parts with full traceability, specify genuine Deutsch part numbers (DT04-2P, DT06-2S, etc.) and request certificates of conformance. For aftermarket harness builds, motorsport, agricultural, and industrial applications, Deutsch-compatible connectors provide equivalent performance at lower cost.

Typical Applications

• Automotive: Engine bay sensors, underbody connectors, lighting circuits, trailer wiring
• Agricultural: Implement harness connections, cab-to-implement interfaces, sensor wiring
• Marine: Bilge pump wiring, navigation light connections, outboard motor harnesses
• Motorsport: Custom harness builds, sensor sub-harnesses, ECU connections
• Industrial: Mobile equipment harnesses, outdoor control connections, junction box interfaces

Package Contents

5, 10, or 100 sets (select above) — each set: DT04 male housing + DT06 female housing + size 16 crimp contacts (male + female pairs) + wedge lock + wire seals. Pin count as selected.