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displaying posts 1 to 9 of 9
| Author | Subject: Fuel pump relay question |
 fugs
Regular  Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #1
I have changed the ecu in my car after haveing many problems getting it started. Its no longer immobilised and has spark etc but the fuel pump will not run. I know its to do with slightly different wiring. I need to connect into pin14 on the relay but from what pin? Can anyone help please? |
 Posted 2nd Oct 2010 at 19:01
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #2
I should probably explain this a bit better. I changed to an unlocked and remapped ecu which was once used in a 205 gti-6 track car. I fitted to my car as I had ecu and immo problems. I now have spark and injectors are working etc.. so the ecu is working and I removed my immobiliser. Now the fuel pump is not working but it was before hand (Only on the initial prime). The guy who sold me the ecu said to connect the positive for the fuel pump to pin 14 on the on the fuel pump relay. I don't know as yet if this will work. Which wire at the pump is this? I'm gueassing the blue wire and where in the loom is this wire? I cannot seem to find it. If I can't get this wire I'll have to wire the pump direct from the battery with a switch inside. Which actually for a track car would be kinda cool. |
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Posted 2nd Oct 2010 at 23:17
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #3
you wouldn't have to alter any of the wiring, the ecu's are all the same.they also don't prime every time. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 2nd Oct 2010 at 23:31
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #4
The fuel pump worked with the old ecu. Its not working at all with this ecu in. |
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Posted 3rd Oct 2010 at 17:23
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #5
Can anyone tell me which wire on the pump is positive? I'm guessing the 2 small ones are for the fuel guage.Also does the ecu hold the mileage data etc... the little digital display is now blank. |
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Posted 4th Oct 2010 at 02:53
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mabgti
NV motors  Location: Bham tunnel @7400rpm Registered: 28 Aug 2003 Posts: 9,127 Status: Offline |
Post #6
ecu doesnt hold the mileage data sounds like you have blown a fuse.. fuel pump and dials maybe... ________________________________________ Team Supercharged Gti-6NV Motorsport Automotive Performance Tuning 0121 448 7515 ECU Remapping/ DPF removal VAG/BMW Diag and Option Coding Peugeot Planet ECU coding/transponder programming etc www.nvmotorsport.com Facebook Page Project S6 |
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Posted 4th Oct 2010 at 07:07
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #7
I've checked all fuses and they are ok. No mileage up and still no kick from fuel pump! Looks like the fuel gauge is not working too. |
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Posted 4th Oct 2010 at 21:46
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #8
Wired pump off the battery and it runs |
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Posted 4th Oct 2010 at 23:27
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fugs
Regular Location: Kilkenny Registered: 21 Dec 2009 Posts: 156 Status: Offline |
Post #9
Problem sorted. Some very didgy wiring was done on this car at some stage! |
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Posted 5th Oct 2010 at 20:23
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