markx14xe
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Registered: 5th Oct 08
Location: grimsby
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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.
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markx14xe
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Registered: 5th Oct 08
Location: grimsby
User status: Offline
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is this because i need a fuel pump relay?
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Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
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yes u need a relay,
why do you need to test it
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markx14xe
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Registered: 5th Oct 08
Location: grimsby
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so i can wire up to run the engine
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Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
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arent the wires there to begin with (not sounding rude just trying to work out whats going on)
what car and what engine
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markx14xe
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Registered: 5th Oct 08
Location: grimsby
User status: Offline
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some one has messed about with it
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Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
User status: Offline
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what engine
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markx14xe
Member
Registered: 5th Oct 08
Location: grimsby
User status: Offline
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quote:
Originally posted by Robo C20Let
what engine
are you joking
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Ste
Premium Member
Registered: 5th Mar 03
Location: Taif, Saudi Arabia
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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. 
I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
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Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
User status: Offline
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quote:
Originally posted by markx14xe
quote:
Originally posted by Robo C20Let
what engine
are you joking
god arrr i forgot about the thread title lol
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