DIY-EFI Volvo LH2.4 PnP Auxiliary Expansion Harness (Ignition, Injection & Boost)
£200.00 exVAT⠀⠀£240.00 incVAT
A loom designed to populate the 34P expansion plug of our LH2.4 PnP.
Taking signals for 4 independent ignition and fuel channels.
Also, a connector for a boost solenoid.
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Description
How to install the new harness
Unplug the factory ignition module, ignition coil and 4 injector plugs.
Route the harness through the firewall to the ECU, from the back of your engine.
Connect the red spade terminal to the original coil power feed.
Screw the black ring terminal to a point of the body free from paint and rust.
Connect one of the factory injector plugs to the single male plug on the loom.
Plug in the 4 new injector plugs, shortest to the rear of the engine, longest to the front.
Connect the required ignition sub-harness or make your own via the optional 6 pin DTM connector.
Connect the new ignition coil(s).
How to connect to your ECU auxiliary connector
| COLOUR | PURPOSE | AUX CONNECTOR PIN |
| White | Boost | 5 |
| Grey | Injector Cylinder 1 | 1 |
| Brown | Injector Cylinder 2 | 4 |
| Purple | Injector Cylinder 3 | 2 |
| Orange | Injector Cylinder 4 | 3 |
| Pink | DTM Pin 1 (Ignition Channel 1) | 6 |
| Blue | DTM Pin 2 (Ignition Channel 2) | 7 |
| Green | DTM Pin 3 (Ignition Channel 3) | 8 |
| Yellow | DTM Pin 4 (Ignition Channel 4) | 9 |
REMOVE the “Factory Batch Injection” jumper.
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