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Old 04-17-2019, 01:18 PM   #1
Sjeng
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Default Fuel pump wire location?

Hello tbricks,

I am looking for the +12V wire which goes to the fuel pump.
Any idea which wire this is/where to find it?

Reason I ask is because I am converting to MS and this is the last bit of wiring I need to sort.

Kind regards
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Old Yesterday, 11:25 PM   #2
84B23F
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What model/year is your Volvo?
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Old Today, 02:54 AM   #3
Sjeng
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Hi, 940, 1997.
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Old Today, 05:24 AM   #4
84B23F
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Using a 1994 schematic, there were two EFIs...Bosch...Regina.

Are you wanting to power up the fuel pump(s) directly, or via existing relay? Eyeballing LH 2.4 MFI ECU, pin 21 (R wire) appears to activate relay....it would use a ground on this wire to activate relay. P colored wire at relay is direct to fuel pumps

For Regina, it uses a ground from ECU to power up relay...if needed, I'll fetch pin and wire color
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