Name: Engine harness
Creator: kingofgames6712@gmail.com
License: https://creativecommons.org/licenses/by-sa/4.0/

Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.

Components

Ref	Kind	Exclude from BOM
BAT	connector	included
CKP	connector	included
CMP	connector	included
COIL1	connector	included
COIL2	connector	included
COIL3	connector	included
CTS	connector	included
F1	fuse	included
IACV	connector	included
IAT	connector	included
INJ1	connector	included
INJ2	connector	included
INJ3	connector	included
INJ4	connector	included
INJ5	connector	included
INJ6	connector	included
KS1	connector	included
KS2	connector	included
MAF	connector	included
NEW-IGN	terminal	included
O2	connector	included
O2B	connector	included
PROTEUS-Black23	connector	included
PROTEUS-Black35	connector	included
PROTEUS-White35	connector	included
RLY	connector	included
SP-0V	splice	included
SP-14V	splice	included
SP-5V1	splice	included
SP-GND	splice	included
TPS	connector	included

Create part

KindManufacturerPart numberDescriptionUnit price

Cut list

Lengths need a layout (0 of 75 routed).

Wire	From / To	Gauge	Signal
W1	COIL1-12V / SP-14V-1	0.85	Coil pack +12V
W2	COIL2-12V / SP-14V-1	0.85	Coil pack +12V
W3	COIL3-12V / SP-14V-1	0.85	Coil pack +12V
W4	IACV-12V / SP-14V-1	0.85	IACV +12V
W5	INJ1-12V / SP-14V-1	0.85	Injector +12V
W6	INJ2-12V / SP-14V-1	0.85	Injector +12V
W7	INJ3-12V / SP-14V-1	0.85	Injector +12V
W8	INJ4-12V / SP-14V-1	0.85	Injector +12V
W9	INJ5-12V / SP-14V-1	0.85	Injector +12V
W10	INJ6-12V / SP-14V-1	0.85	Injector +12V
W11	MAF-12V / SP-14V-1	0.85	MAF +12V (burn-off)
W12	O2-HTR+ / SP-14V-1	0.85	O2 heater supply
W13	O2B-HTR+ / SP-14V-1	0.85	O2 heater supply
W14	SP-14V-1 / PROTEUS-Black23-23	0.85	Main relay feed
W15	COIL1-GND / SP-GND-1	0.85	Coil pack ground
W16	COIL2-GND / SP-GND-1	0.85	Coil pack ground
W17	COIL3-GND / SP-GND-1	0.85	Coil pack ground
W18	SP-GND-1 / PROTEUS-Black23-14	0.85	Power ground
W19	SP-GND-1 / PROTEUS-Black23-19	0.85	Power ground
W20	SP-GND-1 / PROTEUS-Black23-20	0.85	Power ground
W21	SP-GND-1 / PROTEUS-Black35-17	0.85	Power ground
W22	SP-GND-1 / PROTEUS-Black35-18	0.85	Power ground
W23	SP-GND-1 / PROTEUS-Black35-24	0.85	Power ground
W24	CMP-GND / SP-0V-1	0.5	Cam ground
W25	CTS-GND / SP-0V-1	0.5	CTS sensor ground
W26	IAT-GND / SP-0V-1	0.5	IAT sensor ground
W27	KS1-GND / SP-0V-1	0.5	Knock shield/return
W28	KS2-GND / SP-0V-1	0.5	Knock shield/return
W29	MAF-GND / SP-0V-1	0.5	MAF ground
W30	O2-GND / SP-0V-1	0.5	O2 signal ground
W31	O2B-GND / SP-0V-1	0.5	O2 signal ground
W32	TPS-GND / SP-0V-1	0.5	TPS sensor ground
W33	SP-0V-1 / PROTEUS-White35-1	0.5	Sensor ground
W34	SP-0V-1 / PROTEUS-White35-2	0.5	Sensor ground
W35	SP-0V-1 / PROTEUS-White35-23	0.5	Sensor ground
W36	SP-0V-1 / PROTEUS-White35-29	0.5	Sensor ground
W37	SP-0V-1 / PROTEUS-White35-3	0.5	Sensor ground
W38	SP-0V-1 / PROTEUS-White35-4	0.5	Sensor ground
W39	SP-0V-1 / PROTEUS-White35-5	0.5	Sensor ground
W40	SP-0V-1 / PROTEUS-White35-6	0.5	Sensor ground
W41	SP-0V-1 / PROTEUS-White35-7	0.5	Sensor ground
W42	SP-0V-1 / PROTEUS-White35-8	0.5	Sensor ground
W43	CMP-VCC / SP-5V1-1	0.5	Cam +12V/+5V
W44	TPS-VCC / SP-5V1-1	0.5	TPS 5V supply
W45	SP-5V1-1 / PROTEUS-White35-10	0.5	5V supply #2
W46	CKP-B / PROTEUS-Black23-13	0.5	Crank sensor −
W47	CKP-A / PROTEUS-Black23-5	0.5	Crank sensor +
W48	CMP-SIG / PROTEUS-Black23-1	0.5	Cam signal
W49	KS1-SIG / PROTEUS-White35-34	0.5	Knock signal
W50	KS2-SIG / PROTEUS-White35-35	0.5	Knock signal
W51	COIL1-TRG / PROTEUS-Black35-35	0.5	Igniter trigger
W52	COIL2-TRG / PROTEUS-Black35-34	0.5	Igniter trigger
W53	COIL3-TRG / PROTEUS-Black35-22	0.5	Igniter trigger
W54	INJ1-SIG / PROTEUS-Black35-3	0.5	Injector low side
W55	INJ2-SIG / PROTEUS-Black35-15	0.5	Injector low side
W56	INJ3-SIG / PROTEUS-Black35-4	0.5	Injector low side
W57	INJ4-SIG / PROTEUS-Black35-16	0.5	Injector low side
W58	INJ5-SIG / PROTEUS-Black35-5	0.5	Injector low side
W59	INJ6-SIG / PROTEUS-Black35-6	0.5	Injector low side
W60	NEW-IGN-1 / PROTEUS-Black23-18	0.5	Ignition switch in
W61	RLY-COIL- / PROTEUS-Black35-20	0.5	Relay coil negative (ECU low-side driver)
W62	O2-HTR / PROTEUS-Black35-9	0.5	O2 heater low side
W63	O2B-HTR / PROTEUS-Black35-21	0.5	O2 heater low side
W64	IACV-SIG / PROTEUS-Black35-10	0.5	IACV low side
W65	MAF-SIG / PROTEUS-White35-13	0.5	MAF signal
W66	TPS-SIG / PROTEUS-White35-24	0.5	TPS signal
W67	O2-SIG / PROTEUS-White35-14	0.5	O2 signal
W68	O2B-SIG / PROTEUS-White35-25	0.5	O2 signal
W69	CTS-SIG / PROTEUS-White35-19	0.5	CTS signal
W70	IAT-SIG / PROTEUS-White35-31	0.5	IAT signal
W71	BAT-+ / F1-1	3.0	Battery positive
W72	F1-2 / RLY-IN	3.0	Relay contact input (battery + via main fuse)
W73	RLY-OUT / SP-14V-1	3.0	Relay contact output (switched +12V bus)
W74	BAT-- / SP-GND-1	3.0	Battery negative / chassis ground
W75	NEW-IGN-1 / RLY-COIL+	0.5	Relay coil positive (ignition-switched +12V)

Bill of materials

No wire parts assigned: 75 wires need a wire part.

Part number	Manufacturer	Description	Qty	Unit	Buy
connector11 lines
VW-VR6-CKP	Bosch	VR6 engine-RPM sensor plug (P/N unknown; 2-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-CMP	Bosch	VR6 cam position sensor plug (P/N unknown; 3-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-COIL	Bosch	VR6 ignition coil pack plug (P/N unknown; 3-way, metered)	3	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-CTS	Bosch	VR6 coolant temp sensor plug (P/N unknown; 2-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-IACV	Bosch	VR6 idle air control valve plug (P/N unknown; 2-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-IAT	Bosch	VR6 intake air temp sensor plug (P/N unknown; 2-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-INJ	Bosch	VR6 fuel injector plug (P/N unknown; 2-way, metered)	6	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-KS	Bosch	VR6 knock sensor plug (P/N unknown; 2-way, metered)	2	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-MAF	Bosch	VR6 MAF sensor plug (P/N unknown; 3-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-O2	Bosch	VR6 O2 sensor plug (P/N unknown; 4-way, metered)	2	ea	Mouser ↗Digi-Key ↗Amazon ↗
VW-VR6-TPS	Bosch	VR6 throttle position sensor plug (P/N unknown; 3-way, metered)	1	ea	Mouser ↗Digi-Key ↗Amazon ↗