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  #1  
Old 07-15-2014, 07:08 PM
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Smile HELP ON FUSES AND RELAYS W124

HELLO, I NEED TO KNOW WHICH ARE THE FUEL PUMP FUSES AND RELAYS AND WHERE ARE THOSE LOCATED IN A 1990 300E 3.0 ENGINE.

THANKS A LOT

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  #2  
Old 07-15-2014, 07:47 PM
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Dude dude dude

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Old 07-16-2014, 10:48 AM
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NOT YELLING

Dear Mr. Luna,

It is not my intention to yell when I use caps, I do it because it's easier to type.

Can anybody help with the fuses location?

Regards

José Ramírez
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  #4  
Old 07-16-2014, 12:33 PM
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Your car may have a MAS relay. Picture of it below. Back near firewall. Black knob turns and off it comes.

If you have this - fuel pump relay is within - pins 1 & 2


http://www.ebay.com/itm/Mercedes-OEM-MAS-Relay-Part-0075456532-/151355223684?pt=Motors_Car_Truck_Parts_Accessories&hash=item233d796e84&vxp=mtr


MAS diagram follows


http://www.peachparts.com/shopforum/attachments/tech-help/106582d1351097166-mas-relay-diagram-mas-relay.jpg


If car runs with pins 1 & 2 jumpered, you likely have found your problem.
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  #5  
Old 07-16-2014, 03:46 PM
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Thank you, I'll try jumping those pins , let you know if it works.

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