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Robo C20Let

posted on 17th Aug 10 at 05:59

quote:
Originally posted by markx14xe
quote:
Originally posted by Robo C20Let
what engine


are you joking:o


god arrr i forgot about the thread title lol


Ste

posted on 17th Aug 10 at 05:27

Firstly I'd go about testing the basics at the pump. Unplug it and test for a ground. If you have this, then see if you get a feed. With the ignition on you should see about 13.5V from a healthy battery.

If you have both of these present, then I would be looking at taking the pump out as it may be siezed.

If you don't have feed to it, check the fuse first. If the fuse is ok then have a check on the shock sensor. I'm not 100% on a vaux engine, but on lots of cars there is a button, usually under the bonnet that once senses a sudden jolt cuts the power to the fuel pump in case you are in a crash.

If this is tripped, push it in to reset. If it isn't, or doesn't have one then find out how a vauxhall deals with this situation. It isn't really adviseable to just prod wires from the battery into a fuel pump without protection. if they spark, or should I say, when they spark, you will get a nice explosion from petrol vapours and you'll die. the connection at the pump should always be made first, then using a fused supply, connect it to the battery. if the pump powers up, you will need to take a feed from the ignition, to a relay and the one from the battery into the relay and out to the pump. this is a very rudeamentary way of doing it and obviously, the other routes should yeald some success before you need to resort to doing that.

Hope this helps, as this is the route of fault finding I'd go down. :)


markx14xe

posted on 17th Aug 10 at 02:09

quote:
Originally posted by Robo C20Let
what engine


are you joking:o


Robo C20Let

posted on 16th Aug 10 at 08:17

what engine


markx14xe

posted on 15th Aug 10 at 17:58

some one has messed about with it


Robo C20Let

posted on 15th Aug 10 at 08:26

arent the wires there to begin with (not sounding rude just trying to work out whats going on)

what car and what engine


markx14xe

posted on 15th Aug 10 at 01:09

so i can wire up to run the engine


Robo C20Let

posted on 14th Aug 10 at 18:58

yes u need a relay,

why do you need to test it


markx14xe

posted on 14th Aug 10 at 18:36

is this because i need a fuel pump relay?


markx14xe

posted on 14th Aug 10 at 18:33

how can i power the fuel pump up?
because ive tryied to connect a power cable to test it directly from the battery straight to the Thick red/blue fuel pump power feed wire and it dont work any reason for this?

NOTE-my friend made it work once before but cant get hold of him to help me out again.