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Restoration Design
MFI Engine Harness Loom – Mechanical Fuel Injection Wiring
High-quality MFI engine harness loom designed for the Porsche 911, providing essential electrical connections for the mechanical fuel injection (MFI) system.
This harness includes connections for the temperature
switch, micro switch, and shut-off solenoid, ensuring correct communication
and operation of key MFI components. It plays a critical role in maintaining
proper fuel delivery, engine response, and system functionality.
Fits:
- Porsche 911 1969 2.2L
Manufactured to OEM-style specifications, this wiring loom ensures accurate fitment and reliable electrical performance, making it ideal for restoration, repair, or replacement of aging MFI wiring systems.
Key Features
• MFI engine harness loom
• Suitable for Porsche 911 (1969)
• Part number 90161207900
• Includes connections for temperature switch, micro switch, and shut-off
solenoid
• Designed for mechanical fuel injection systems
• Ensures reliable electrical connectivity
• OEM-style wiring layout and fitment
• Ideal for restoration and repair work
Function and Purpose
This harness is a vital part of the MFI system.
It helps to:
• Connect critical MFI components
• Ensure proper signal transmission between switches and solenoid
• Support accurate fuel delivery control
• Maintain engine performance and drivability
• Restore original electrical functionality
Why Replace MFI Harness Looms
Over time, classic wiring looms can deteriorate due to heat and age.
Common issues include:
• Brittle or cracked wiring insulation
• Poor electrical connections
• Intermittent MFI system faults
• Reduced engine performance or inconsistent operation
Replacing the harness ensures reliable operation and restores system integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161206800
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
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For Left Hand Drive Cars ONLY!
Fits:
Porsche 987.1 Boxster MKI 2005>>2008
Porsche 987.2 Boxster MKII 2009>>2012
Porsche 987.1 Cayman MKI 2006>>2008
Porsche 987.2 Cayman MKII 2009>>2012
Porsche 997.1 Carrera MKI 2005>>2008
Porsche 997.2 Carrera MKII 2009>>2012
Porsche 997.1 Turbo / GT2 MKI 2007>>2009
Porsche 997.2 Turbo / GT2 RS MKII 2010>>2013
Porsche 997 GT3 MKI / MKII 2007>>2011
Cars With Option Codes:
098 - Left-Hand Drive Version
Diagram Ref No 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761290801
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
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Worldwide Delivery
This Porsche Battery Ground Cable, RHD is a genuine OEM electrical cable designed specifically for right-hand drive models only. This heavy-duty cable connects the battery’s negative terminal to the chassis, providing the essential earth/ground connection that keeps your Porsche’s electrical system stable and reliable.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 Carrera 2 3.6L 2005-08
- Porsche 997 Carrera 2S 3.8L 2005-08
- Porsche 997 Carrera 4 3.6L 2005-08
- Porsche 997 Carrera 4S 3.8L 2005-08
- Porsche 997 TURBO 2007-09
- Porsche 997 GT3 2007-09
- Porsche 997 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
What This Product Does:
The battery ground cable is a heavy-duty electrical cable that connects the negative terminal of the battery to the chassis/engine ground. On right-hand drive (RHD) Porsche models, it is designed with the correct length and routing for proper fitment.
Functions:
- Provides the primary earth/ground connection for the vehicle’s electrical system.
- Ensures stable current flow between the battery, starter, alternator, and electronic modules.
- Helps deliver consistent starting power and prevents voltage drops.
- Protects sensitive electronic components by maintaining proper grounding.
Symptoms Of A Faulty Battery Ground Cable:
- Hard starting or intermittent no-start condition.
- Electrical faults such as flickering lights or warning messages.
- Battery not charging properly due to poor grounding.
- Slow cranking from the starter motor.
- Visible corrosion or fraying on the cable or terminals.
The ground cable is a critical link in the electrical system. A poor connection can cause starting issues, electrical malfunctions, or even damage to control modules.
Replacing it with a genuine OEM cable ensures:
- Correct fitment for RHD (Right Hand Drive) Porsche models.
- Reliable starting and charging performance.
- Long-term corrosion resistance and durability.
- Protection for sensitive electronics.
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761109100
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Shop Securely
12 Month Warranty
Worldwide Delivery
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed