# Wiring EMU classic / Marelli IAW P8

**URL:** <https://community.ecumaster.com/t/wiring-emu-classic-marelli-iaw-p8/460>\
**Category:** EMU BLACK / CLASSIC\
**Created:** [December 8, 2023, 9:56am UTC](https://community.ecumaster.com/t/wiring-emu-classic-marelli-iaw-p8/460 "2023-12-08T09:56:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Hausit](https://avatars.discourse-cdn.com/v4/letter/h/50afbb/32.png) [@Hausit](https://community.ecumaster.com/u/Hausit)\
**Post date:** [December 8, 2023, 9:56am UTC](https://community.ecumaster.com/t/wiring-emu-classic-marelli-iaw-p8/460/1 "2023-12-08T09:56:33Z")

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Hi together,

I have a Lancia Delta Integrale which is equipped with an Marelli IAW P8 and I am thinking about changing to a EMU classic. At the first step I want to go forward with the original sensors, ignition and so on. I have started with drawing a wiring diagram. Most things are clear for me but I have trouble with the ignition. Car is equipped with wasted spark (two coils, two ignition modules (Marelli BKL 3B)). Every ignition module gets a trigger input signal from the IAW (Pin 25 und 26). That’s clear, I can connect them for example with G8 and G16 at the EMU. Additionally the two modules have a common connection on one pin at the IAW (Pin 24). According the following pin plan of the BKL3B that is “Trigger Ground”. How I have to wire this Trigger Ground line with the EMU?

![grafik](https://europe1.discourse-cdn.com/flex013/uploads/ecumaster/original/1X/b878ac2411971298684106da4daa875c631e3f30.png)

Regards  
Thomas