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Old 15-07-2008   #16
 
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Re: Inertia switch no power

just the factory one

will double check the wires 2moro and once sure will power probe it see if pump works
let you know how i get on
as if the dim light is the pump feed may just be the pump has gave up the ghost
so new pump required

but if the pump does work

let the ganes commenceouch
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Old 15-07-2008   #17
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Re: Inertia switch no power

there is no feed to the inertia switch, it cuts out the negative connection. poking it with a test lamp is going to show you nada. get a multimeter, they're only about £2.99 from maplin. use that to check that the test the systems properly

as i've already said, the fuel pump will have power when the ignition is inititally switched on - or if the engine is running.

try this, disconnect the two pin plug from the fuel pump. with the green/black (sometimes orange) and purple/black. connect the test lamp across them, then watch the lamp as you turn the ignition on.
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Old 16-07-2008   #18
 
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Re: Inertia switch no power

got multimeter
will try that & report back
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Old 16-07-2008   #19
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Re: Inertia switch no power

Originally Posted by arc View Post
it doesnt have a live feed, it deals with the negative side of things.

when u turn the ignition on, do you hear the pump prime for 2 seconds or so?
Originally Posted by larsson1971 View Post
No nothing
Check the immobiliser is doing its thing correctly and also the fuel relay. I have rarely seen a pump fail.

Cheers

PD
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Old 16-07-2008   #20
 
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Re: Inertia switch no power

when meter is connected and turn on ignition i get power then goes to zero

when i proceed to cranking over the engine i get a feed as well and when i let the key off the cranking posistion the feed stops which should be normal

so got power


took the pump/sender out of the tank and away from the car and used the power probe to see if pump would work

which it did

checked the wires that run the pump for continuity thats are located internally and all is fine there as as well

so put it back into the tank and tried again
nothing took the seal and plastic off the multiplug plugged it done the ignition and cranking and motor was working
at this time i had the feed and return fuel lines off but when the pump was working it never spurted out fuel
put the multiplug back together and nothing again

so got the two parts of the plug which is working the pump but still no fuel

so now i dont know if the pump is weak and cannot prime up

or something that i am missing

the saga continues
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Old 16-07-2008   #21
 
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Re: Inertia switch no power

Pump working ok , had the pump out and the small filter had taken some bum fluff cleaned that , but the problem lay down to a faulty plug that powers the pump . cheers guys for all the info and help.
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