OBD-II 16-Pin Female to 14-Pin DIP Diagnostic Breakout Cable

An obd2 16 pin dip cable breakout that brings fourteen of the sixteen J1962 signals out to a 2×7 DIP male header, so each line can be scoped, clipped or pushed into a breadboard on the bench. Straight through, no protocol conversion.

Description

Overview

An obd2 16 pin dip cable is the tool you reach for when you do not yet know which line matters. The J1962 16-pin female socket goes on the vehicle side; the other end is a 14-position 2×7 DIP male header where each signal can be scoped, clipped with a grabber, or pushed straight into a breadboard. Fourteen positions for sixteen signals means two cavities are left behind, and deciding which two is the first real engineering decision on this part. It is a breakout, not a power lead: the header is a signal-level termination and should not be asked to carry starter-scale current.

Key Specifications

Cable TypeDiagnostic Breakout Cable
Connector AOBD-II J1962 16-Pin Female
Connector B14-Pin 2×7 DIP Male Header
ApplicationECU Test Bench / CAN Tapping
DIP pitch2.54 mm between pins, 7.62 mm between rows
Mapping14 of 16 J1962 signals brought out; mapping per your drawing
FunctionBreakout lead, no protocol conversion
LengthStated per your drawing
Testing100% continuity and pinout check before packing

Sixteen signals, fourteen positions: which two do you drop?

This is the question that makes the part interesting. If you drop the wrong two, the breakout is useless for the job you bought it for. The sensible default is to drop two of the OEM-discretion cavities, because those are the ones that vary by maker anyway, and keep every position that a published protocol uses. The table below is our default build; send your own map if you need something else.

Header positionJ1962 pinWhat it carriesWhy it is kept or dropped
12J1850 bus positiveKept – a published protocol line
23OEM discretionKept – sometimes Ethernet or a maker bus
34Chassis groundKept – always useful on a bench
45Signal groundKept – the reference every measurement needs
56CAN highKept
67K lineKept – ISO 9141 and ISO 14230 work
78OEM discretionKept – often a second K line
810J1850 bus negativeKept – a published protocol line
911OEM discretionKept
1012OEM discretionKept
1113OEM discretionKept
1214CAN lowKept
1315L lineKept – initialization on older protocols
1416Battery positiveKept – the reason a bench module can run at all
Not brought out1 and 9OEM discretionDropped by default – the two that vary most by maker

What the header can take, and what it cannot

A 2×7 DIP header is a prototyping convenience, not a power connector. Its posts are small, there is no locking and no strain relief, and it is designed to be plugged into a socket or a breadboard rather than to carry current. Two rules follow from that: keep the currents at signal level, and support the cable so its weight does not hang off the header.

  • Fine: scope probes, logic analyzer leads, grabber clips, breadboard jumpers, a bench module drawing well under an amp.
  • Not fine: anything that looks like a starter, a winch, an inverter or a compressor load. Use a dedicated power lead for those.
  • Avoid: leaving the header lying on a bench where a stray strand or a tool can short pin 16 to a neighbor. Cap it or sleeve it when it is not in use.

Reading the J1962 side

The OBD-II connector in SAE J1962 allocates positions by protocol, so several of them are left to the vehicle maker. That matters on a breakout because it means some header positions will be live on one car and dead on another. Confirm with a meter before you wire anything permanent to pins 1, 3, 8, 9, 11, 12 or 13.

J1962 pinAssignmentWhat you would typically do with it
4 and 5Chassis and signal groundReference for a scope or a bench supply
6 and 14CAN high and CAN lowBus capture with an interface or an analyzer
7K line, ISO 9141-2 and ISO 14230-4Legacy serial sessions
2 and 10J1850 bus positive and negativeOlder North American protocol work
15L lineInitialization on some older protocols
16Battery positiveFeed a bench module through a fused lead
1, 3, 8, 9, 11, 12, 13OEM discretionMeter them first; treat as unknown until measured

Construction

  • J1962 16-pin female socket to a 2×7 DIP male header, straight through, no electronics.
  • Stranded copper conductors; cross section stated on your drawing.
  • The CAN pair kept twisted up to the header so the bus stays balanced on the bench.
  • Overmolded strain relief at the socket, and a short body so the header carries no leverage.
  • Optional shrouded header, or labeled positions, if the breakout will live on a bench.

How to specify your build

  1. The two pins to drop, or the full map you want instead of the default.
  2. Header style – plain posts, shrouded, or with a keyed shroud.
  3. Whether you want the CAN pair kept twisted to the header.
  4. Length, and whether a right-angle socket would suit the bench.
  5. Labeling – printed position numbers save a lot of bench time.

Typical applications for this obd2 16 pin dip cable

Workmanship and testing

OBD-II 16-Pin Female builds are made to IPC/WHMA-A-620 Class 3 workmanship inside an ISO 9001 system, over a 32 to 12 AWG range. No OBD-II assembly is boxed before continuity and pinout are confirmed, and seal checking is quoted whenever an ingress rating is on the drawing.

Material declarations against RoHS and REACH are issued per project, alongside the dimensional and electrical reports agreed at quotation; see certifications, compliance and material declarations. Where your drawing names a UL style or another approval, the build follows your drawing and ships with the supporting document rather than a claim of our own. Where this build needs an overmold, the tool is designed, cut and maintained in our own shop under in-house mold making and overmold tooling, and it is never used for another customer’s program. More background: what changes on vehicle harness builds.

Custom builds and ordering

For OBD-II 16-Pin Female builds, prototypes run from 1 to 50 pcs with a 3 working day turnaround; volume orders begin at 500 pcs and ship 14 working days after approval. Tooling not already held adds around 10 working days. OBD-II builds go out under your part number and labeling, and material certificates and first-article reports are on offer.

Related breakout and bench leads

Full range: automotive cable and wire harness.

Frequently Asked Questions

Which two pins are left out, and can I change that?

The default build drops pins 1 and 9, both of which are OEM discretion positions. Yes, send your own map and we build to it.

Can I power a module from the header?

Only at signal-level current. The header has no locking and no strain relief; use a dedicated power lead for anything that draws real current.

Is the breakout shielded?

Shielding is stated on your drawing. Where the CAN pair is being captured we recommend keeping the twist to the header and terminating the drain properly.

Will every position be live on my vehicle?

No. Several J1962 positions are OEM discretion, so meter them before you wire anything permanent to them.

Additional information
Cable TypeDiagnostic Breakout Cable
Connector AOBD-II J1962 16-Pin Female
Connector B14-Pin 2×7 DIP Male Header
ApplicationECU Test Bench / CAN Tapping
DIP pitch2.54 mm between pins, 7.62 mm between rows
Mapping14 of 16 J1962 signals brought out; mapping per your drawing
FunctionBreakout lead, no protocol conversion
LengthStated per your drawing
Testing100% continuity and pinout check before packing