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Wiring in a Group A Fuel Pump......???? HELP HELP HELP

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Old 25-06-2005, 04:32 PM
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Jim Green
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Default Wiring in a Group A Fuel Pump......???? HELP HELP HELP

Hi Guys,

I wired in my Group A Fuel pump using 30amp wire and fuses, and a relay as described in an earlier post. Got everything wired up, but one final question. On the Group A Pump there is a simple Pos and Neg connections, Obviously I have wired into the relay, and used the original pump Pos Wire, to activate the relay, and the new Power Wire to the Relay and then to the pump's positive connection. The relay is earthed out ok again using 30amp wire.

My question is....... Do I use the original pumps earth wire (Wire that originally went to the - connection, and connect it to the new pump. ?????????

If you get what I mean !!!!!

Ok on mechanical, abit on electrics
Old 25-06-2005, 04:38 PM
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Matt
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jim, do not use the original earth from the pump........



chop out the connector and rewire direct to chassis
Old 25-06-2005, 06:19 PM
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CosKev3
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As above

Or better still run a 30 amp earth wire direct to earth on battery

Old 25-06-2005, 06:39 PM
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Ok, so tell me if I got it correct......

Take out the connector (Where is that located)....... and go from the negative terminal on the pump direct to earth (Either Chassis, or ideally back to the battery)...... Have I got it right ??????

Where exactly is the connector located....?????

Jim
Old 25-06-2005, 07:02 PM
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Old 25-06-2005, 07:02 PM
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I don't recognise that connector either m8
Unless its on the fuel pump cut off switch in spare wheel well,cause my car ain't got one

Old 25-06-2005, 07:07 PM
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Jim Green
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Yep, out in the garage now, and can't find it........

Do i just disconnect the original earth wire, and leave it hanging, and then use a new 30amp wire from the negative terminal on the pump direct to earth (Chassis or back to the battery)
Old 25-06-2005, 07:17 PM
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Old 25-06-2005, 07:26 PM
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Old 25-06-2005, 07:49 PM
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2 earth's one to battery one to body - perfect 13.8-14.2 volts to pump
Old 25-06-2005, 07:57 PM
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Originally Posted by Jim Green
Do i just disconnect the original earth wire, and leave it hanging, and then use a new 30amp wire from the negative terminal on the pump direct to earth (Chassis or back to the battery)
Most people use it to earth the new relay you've put in I think

Old 25-06-2005, 08:19 PM
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Jim Green
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DINGY..... Thanks matey, Two earths it is then. Will be on the case at about midnight tonight.

Engine will be collected Wednesday Arranged Engine hoist for Friday, so will be on the road again (After a year) by next ?????? Week I hope. 420BHP Karl Norris Engine, with all the right ancillaries

Bank Account = Not a lot left, who the fu-k cares
Old 25-06-2005, 08:20 PM
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Hope all goes well mate
Old 25-06-2005, 08:23 PM
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Cheers Dingy..... You have PM
Old 25-06-2005, 08:31 PM
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Cheers and replied
Old 26-06-2005, 09:25 AM
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that connector may be specific to a 3 door jim, dont know. was behind the panel at the back of the boot about a foot further up the cables that pass through the grommett in the boot floor. needless to say mine was a somewhat crap contact and got rather hot and burned the plastic
Old 26-06-2005, 10:12 AM
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the earth cabe needs to be the same rateing as the power cable
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