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DISCUSSION => Electrical => Topic started by: dead42 on May 11, 2007, 09:48:45 PM

Title: relay locations
Post by: dead42 on May 11, 2007, 09:48:45 PM

Can someone please help me locate the main and fuel relays?  I have searched all the threads and both of my bentleys...  it was running fine until a friend stalled it and now the on position of the key will not start the car.  No sound of the pump, no power to the starter.  All of the dash lights come on, all of the accesories work, no fault codes.  I am stumped.:mad:   any help would be appreciated, it has been in the public lot 8 blocks from my house for the last week, me going back and forth with my beach cruiser basket full of tools.

Title: relay locations
Post by: ak96ss on May 11, 2007, 10:14:48 PM

Underneath the large plastic cover on the top of the firewall. Center one is fuel pump, main is one of the others but I can't remember which...  maybe the white one?

Title: relay locations
Post by: dead42 on May 12, 2007, 01:07:42 AM

I managed to find this, I don't see the MAIN or the FUEL PUMP.  Am I looking in the wrong area?  I have rebuilt almost all of the mechanics of this car but have very little experience with the electronics.

Thanks,
Jon

Title: relay locations
Post by: ak96ss on May 12, 2007, 02:16:10 AM

Quote from: dead42;25536

I managed to find this, I don't see the MAIN or the FUEL PUMP.  Am I looking in the wrong area?  I have rebuilt almost all of the mechanics of this car but have very little experience with the electronics.

Thanks,
Jon

Neither the main nor the fuel pump relays are there.

You can see them in the linked picture here, two orange relays and a white one, up on the firewall. The orange one in the middle is the fuel pump relay, and, IIRC, the white one is the main, but I'm not 100% on that.

http://picasaweb.google.com/2006TopBanana/318isToPartOut02/photo#5062262598441958354

Title: relay locations
Post by: Vladi on May 14, 2007, 09:04:42 PM

The white one is for the fuel pump. ;)

Title: relay locations
Post by: ak96ss on May 14, 2007, 09:12:02 PM

Quote from: Vladi;25742

The white one is for the fuel pump. ;)

Really?  I'm pretty sure that on my car the one in the middle is the fuel pump.  Now I'll have to check tomorrow!

Title: relay locations
Post by: mdl76 on October 07, 2007, 11:06:45 PM

Quote from: ak96ss;25745

Really?  I'm pretty sure that on my car the one in the middle is the fuel pump.  Now I'll have to check tomorrow!

OK so have we got which is which 100% :)

Title: relay locations
Post by: mdl76 on October 07, 2007, 11:14:13 PM

Chilton's;

M42 relays are mounted on the firewall above and to the right of the brake booster. the relay on the right is the main dme relay, middle is feul pump, left most is O2 sensor heater relay.

Title: relay locations
Post by: ak96ss on October 08, 2007, 04:42:45 AM

Yep, I concur.

Sorry, this fell victim to the fact that I don't get emails when subscribed threads are replied to. Wish I could figure that out...   :)