W124 Fuel Pump Relay Bypass. Please an anyone tell me if the fuel pump relay is a coloured box or

Please an anyone tell me if the fuel pump relay is a coloured box or is it the odd one out silver box inside the fuse box??? unfortunately the relays are not named? Also I was quoted £75. I have a Haynes manual but seems no use for this. . to/2M0lf6ymore Jul 5, 2009 · Hi Members. He checked what he thought was the fuel pump relay and said he could hear it clicking. Jul 12, 2006 · I can't find it on my 1992 24v Estate either (300TE-24) and I know it has failed as I have had to bypass it with a direct wire to the fuel pump. I've included a diagram below. I cannot hear the fuel pump buzz when the ignition is switched on. I have had to bypass the whole system and take a direct lead from terminal X12/3 to the relay. Should I start the car and run it to be sure it will stay running or is test pretty definitative that the relay is bad? Also the relay I have is #007 545 65 32 and has a metal case around it with a knob Feb 25, 2024 · my 88 300se is a non starter, i suspect the fuel pump relay and have ordered one, wanting to check/test the fuel pump by bridging the 87 and 30 female port but the #30 port has no brass fitting just a plastic hole, was running ok but just stopped, cant see evidence if there was ever a female Jan 27, 2024 · Were you able to bypass the fuel pump relay by connecting a wire or paper clip instead of plugging in the fuel pump relay? If so what number pin do you put the paper clip or small wire in? Jul 12, 2006 · In my 300CE 1992 there are no relays behind the battery - the ECUs are close together with no space for a relay and I have looked at another CE and the relays are clearly visible. I haven't Oct 23, 2005 · The AA man found that fuel was not getting pumped through. Just because you hear stage one doesn't necessarily mean the FPR is OK. Disclaimer: This information is AI-generated and intended for general guidance only. Understanding how to perform this bypass can save you time and money, especially if you’re in a pinch. Mar 2, 2021 · Neither are your fuel pump relay. Here is am explaining how to sort out a mercedes benz relay after your fuel pump doesn't seem to want to work. Jan 24, 2025 · The blue/red lead from the ECU to the fuel pump relay has voltage intermittently. Checked fuse 7, fuse on the OVP relay and opened the fuel pump relay, visually inspected the solders. I haven't Mar 26, 2020 · Does anyone know how I can bypass this fuel pump relay to test if it’s the reason the car won’t start ? Or maybe test the relay off the car ? I’ve got Jul 12, 2020 · Fuel pump relay w124 Jump to Latest 3K views 10 replies 3 participants last post by plinker17722 Aug 6, 2020 Jaffar Discussion starter Feb 25, 2024 · my 88 300se is a non starter, i suspect the fuel pump relay and have ordered one, wanting to check/test the fuel pump by bridging the 87 and 30 female port but the #30 port has no brass fitting just a plastic hole, was running ok but just stopped, cant see evidence if there was ever a female Jan 27, 2024 · Were you able to bypass the fuel pump relay by connecting a wire or paper clip instead of plugging in the fuel pump relay? If so what number pin do you put the paper clip or small wire in? How to Replace the Fuel Pump Relay - 260e, 300e Mercedes w124 Rc1992 125 subscribers Subscribe Long i didn't start up made the fuel pump relay didn't work well like usual n it's hard to start up. I believe my fault is no petrol getting into engine: I Oct 24, 2012 · Hi everybody! I got the 91 w124 300ce-24 (european), and have problems with early revs cutting off. Yes, eco wiring junk has been Also, test the ignition control module and fuel pump relay for proper operation. 00 from G/Swedish??? This seems really high for a simple relay??????? :shock Mercedes Mechanic: Marty Hi, there is no fuse for the fuel pump. Chances are it's not the pump, but the relay that controls whether it gets It allows you to temporarily power the fuel pump directly, bypassing the relay to get your engine running again. Identify terminals: one should receive constant 12V (hot), another is ground, and the relay coil terminals control activation. Reading past posts the fuel pump relay shares the kickdown function as Aug 22, 2005 · I have a 1986 W124-300 which has stopped suddenly. If i connect a direct feed to the pump,it works ok and the car runs, but as soon as the power is taken away,it stops dead. Mar 24, 2019 · Thanks again! Well I tested the fuel pump with a bit of wire bridged between terminal 7 and 8 and the fuel pump runs for a couple of seconds. One is the OVP and the other one, as you say, is the A/C control relay. Now, you'll need a piece of wire – a paperclip will do in a pinch, but a proper jumper wire with insulated alligator clips is much safer. Once you've found it, pull the relay out. The relay for the 84 model should be found at the back of the fuse box. A small, square conventional relay. It connects battery (+) to the FP. Sep 2, 2013 · The fuel pump relay is 2 stage the first primes the fuel system the second requires an engine running signal to continue to pump fuel.

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