hey guys ive just finished changing over my running gear and the bugger wont start... i have no injector pulse... ive changed the auto to manual, motor and loom... i had to bypass the neutral switch to get it cranking and everythings there besides injector pulse.... any ideas????

Fuse/relays? Drop the ECU on its head as a baby?

if this is the standad vl/vlt ecu then the return of all injectors is a single positive line on ECU, but ECU wont pulse at all unless the input signals are all doing the right thing... ie. Crank angle signals are by far the most important. If you have a spare dizzy or able to pull your dizzy out temporarily then:- Ignition on, rotate dizzy, if you can hear spark and clicks from injectors then you have fueling probs - ie No fuel pressure. Unplug a spark plug and rotate dizzy, should see spark on the removed plug when its held against the block (ie grounded). If you have spark then you should have injector pulse and if not the loom problem, You do have a good ground on the block mounting points - yeah ? few other things it could be but get back first Edit: Do you see the red/green lights come on the ECU when ignition first on *and* Do you hear fuel pump relay click ? *and* do you hear pump run a few seconds ?

everything is working... fuel pumps are all working im getting fuel thru the injector rails but not going passed the injectors... i have spark.... the car is running with areo start getting sprayed down the throttle body... unless i have a bad earth somewhere... one other thing that just popped into my head... does the ecu need to be earthed because it isnt atm??

ECU can be earthed through loom, I have often tested ECUs when they are just sitting on the carpet, np. If you have a multimeter check ECU has +battery volts on the injector common lines, ie All positive sides of injectors are connected together to one common point and should have same + voltage, Actually, try this:- Just have ignition on, no crank, unplug an injector and measure both sides of the plug with respect to chassis ground and tell us what u see ?

I'd be checking to see if you've connected the plug behind the alternator. It is a 4 pin plug which connects the engine loom and body loom. One of those pins is the injector supply. Failing that, there could be a problem with the reverse polarity relay near the battery. Check for 12v on the orange wire at the relay.

Ah ha, I didnt know about that plug, I'll have to check mine, I hate it when connections get flakey - and I really love cleaning dem connectors, thanks Some original photos have not been recovered yet.