Connectors

ECU Connectors / Harnesses

Verified on NB1

Most of these components are made by the manufacturer TE AMP / Connectivity. Found on the TE AMP Connectivity site, Ballenger Motorsports, or Mouser.

Component	Notes	Part Number	.040" Contacts Qty (Mouser Individual P/N: 173716-1)	.070" Contacts Qty (P/N: 173631-6)
ECU Harness 64-pin Male Harness	Only available as a connector for circuit boards, also used on Honda OBD1 ECUs, which can be purchased used on eBay. If you want to create your own patch harness, you'll need to cut the rear pins short and solder wires directly to each. Visit TruboKitty.com for an example.	174518-7	N/A	N/A
NB1 26-Pin Connector	OEM Female ECU Connector	174516-6	16	10
NB1 22-Pin Connector	OEM Female ECU Connector	174515-6	16	6
NB1 16-Pin Connector	OEM Female ECU Connector	174514-6	16	0
MS3 12-Pin Connector	Used for additional input/output on MegaSquirt 76-pin PNP ECUs only (Like MS3PnP, and not Miata model specific - check your ECU)	174913-6	12	0
Pin Crimper	Crimper for smaller, Japanese Contacts. Ordering from Japan can take up to a month, but can frequently save you money.	Hozan P-706	N/A	N/A

Additional spreadsheet of other OEM connectors here.

Data taken from MiataTurbo's "Connector Witchhunt" thread.