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SBD Standard Fuel Injection Wiring Harness
LM9A4-FWD Wiring harness These have been specially designed to be as neat as possible and to cover as many applications as possible, RWD Cars such as Westfields, Caterhams, Escorts & similar installations as well as FWD cars such as Astra, Corsa, Nova also for use with mid-engine applications either transversely or longitudinally mounted. For other manufacturers adaptor harnesses may be required, please contact us to discuss your requirements.

These wiring looms are kept on the shelf with a selection of coil adaptors which will allow you to fit to a range of ignition coils or by using our coil (COIL-4). We can supply connectors for most requirements, please give details when ordering.

LM9A4-RWD Standard loom rear wheel drive version.

LM9A4-FWD Standard loom front wheel drive version, also suitable for mid engine cars


LM9A4 FWD-RWD Basic Wiring and Relay information

Wiring Instructions & Pin Out Details for CAN type MBE ECUs

Wiring Instructions & Pin Out Details for Serial type MBE ECUs

Instructions to open wiring harness/ecu connector to add pins/splice additional wires

MBE995 shown here with the additional wiring harness required to connect it to your car's main harness.

Instruction Sheet for connecting to car main wiring harness*

Connectors at bottom of picture plug into the car's main harness, see above

LM-LAUNCH-UG-03 Launch upgrade for MBE9A4/9A8 LM-LAUNCH-UG-03

Launch upgrade for MBE9A4/9A8 with 8 Position dial (1-7 launch setting & 8 is off) & launch button. Needs clutch switch CLT SWT. Suitable for Vauxhall, Duratec & Hayabusa engines.

Fitting Instructions for LM-LAUNCH-UG-03

Helmet Bleeper kit to signify gear change & low oil pressure with 1/4" jackplug & special bleeper harness to connect to car's main wiring harness. 1.5m length. For use with MBE9A4 ECU.

LM-BLEEPER-KIT-02 - suitable for Hayabusa type installations

LM-BLEEPER-KIT-03 - suitable for FWD/RWD type installations

These items are available separately

LM-BLEEPER-KIT-02 Helmet bleeper kit

Barometric Sensor

If you are likely to be using the engine in situations when you are at altitude i.e. travelling abroad in the mountains, then you'll need to run this sensor to adjust the fuel mixture to compensate.

LM-BARO-ADP-01 Barometric adaptor lead (green connector)

BARO-SEN-1 Barometric pressure sensor

LM-BARO-CONN Connector for barometric sensor & pins (not shown)

BARO-SEN-1&-LM-BARO-ADP Barometric sensors

Boost Sensor

LM-BOOST-ADP-01 Boost adaptor lead (black connector)

BOOST-SEN-1 Boost sensor for Turbo 0-3 bar (absolute pressure)

LM-BOOST-CONN Connector for boost sensor & pins (not shown)

BOOST-SEN-1 &-LM-BOOST-ADP Boost sensors


MBE941/970 - 55 way connector kit including pins, these ECUs have been discontinued, however we still have some connector kit left in stock.

LM941-55W & LM-36W

MBE9A4/9A8/9A4i/992/967 - 36 way connector kit including pins & cover

Fuel Injection Wiring Custom Looms
It is possible to a have wiring harness custom made for your car, however we would require a fully detailed drawing of the wiring layout or alternatively your car. Unfortunately, we are unable to provide a time scale or price as this is dependant on the time of year & the complexity of your installation.
MBE ECUs & Easimap Software

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