Mystery relays
Mystery relays
Author
Discussion

steve-V8s

Original Poster:

2,924 posts

278 months

Monday 23rd February 2009
quotequote all
What are the two relays in the loom close to the ECU for ?

adyw

388 posts

273 months

Monday 23rd February 2009
quotequote all

One is the main relay, the other is the fuel pump

Aussie John

1,021 posts

261 months

Monday 23rd February 2009
quotequote all
If they are the loose metal ones then I think one is for the ecu and one for the fuel pump, from memory there is a fuse for the pump on the loom as well, cheers, John.

GJR

827 posts

310 months

Tuesday 24th February 2009
quotequote all
I posted something similar a while back....



Is there a way to visually tell them apart ? Are the black and blue holders standardised, one for main and the other for the fuel pump ?

big geoff

387 posts

230 months

Tuesday 24th February 2009
quotequote all
are they both the same part number

zombeh

695 posts

217 months

Tuesday 24th February 2009
quotequote all
In my S the blue one is for the fuel pump, since any attempt to understand the electrics involves looking at a griff wiring diagram and guessing a lot I assume they're the same. I can't see why they would use different coloured plugs if they weren't the same way round on all cars(this is tvr though).

The two relays themselves are identical.

GJR

827 posts

310 months

Tuesday 24th February 2009
quotequote all
Thanks zombeh,

That's something to go on anyway. smile Yeah, the relays are identical, same part number.

steve-V8s

Original Poster:

2,924 posts

278 months

Tuesday 24th February 2009
quotequote all
on my 98 500 they are the same part no.