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Nov 13, 2023 19:46:43 GMT
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Nov 13, 2023 20:17:26 GMT
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Easiest way would be too mount the pump via rubber insulation and leave connections the same.
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jimi
Club Retro Rides Member
Posts: 2,224 
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Nov 13, 2023 22:48:04 GMT
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Easiest way would be too mount the pump via rubber insulation and leave connections the same. only if the metal pipework isn't directly connected to the pump, i.e needs to insulated from the pump body with a short pieces of rubber/plastic hose. 😉 Personally I'd swop the pump to a negative earth one. |
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Last Edit: Nov 13, 2023 22:51:57 GMT by jimi
Black is not a colour ! .... Its the absence of colour
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Nov 13, 2023 23:35:28 GMT
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Had a similar issue earlier this year on my Cambridge. Bought a good second hand pump from eBay fitted with an electronic unit, but it turned out to be positive earth and they are not changeable. £80 for a new neg earth electronic unit was the only option.
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Last Edit: Nov 13, 2023 23:36:02 GMT by misterm
'57 Austin Cambridge A55 1800 Overdrive
'50 MG Y-type (In build)
'56 Standard Super 10 (In build)
'04 Seat Leon TDi 130 (Wet weather runabout)
'03 Citroen Berlingo HDi (Parts hauler)
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Thanks all. Think with it being a fuel pump and risk of sparks will buy a neg earth and maybe we'll on the pos earth pump.
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madmog
Club Retro Rides Member
Posts: 1,160
Club RR Member Number: 46
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SU fuel pump polaritymadmog
@madmog
Club Retro Rides Member 46
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Nov 14, 2023 17:45:16 GMT
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Perhaps send off a message to Burlen/SU, quoting the number on your fuel pump and seeing what they say. I know they have electronic points conversions for existing pumps and perhaps that is a way to change polarity. |
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Nov 14, 2023 17:59:35 GMT
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I've got a new one coming but thanks. Will see if I can sell on the positive earth one as it's only done 500 miles according to the receipt and car mot history with the mileage.
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