how about a chapter on looking?

all the modern relays have 6 connectors. all the harness plugs have 6 spots for wires.
if you have the Original relay still in your car, it will have the number of pins for the coinciding number of plugs, and plastic pins filling the extra spots.

bottom line is, a relay with 6 conductors will work fine in a 240 or a 300 with fewer wires in it.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

A 6-cylinder one will work, but it will not be able to properly compare the current draw so it will indicate a fault by not turning on the glow light, ... isn't that the reason the OP is considering replacing it in the first place?
Seems easier to just use an '87 190Dt or '90-'93 300D 5-cylinder relay for the afterglow mod, maybe I'm just old-fashioned?

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Gone to the dark side

- Jeff

Hmm .. this IS interesting! I wonder if I can retrofit a 5 cylinder to 6 then? Just use the connector of my 6 and get a used 5 cylinder relay ... these are easier to find for sure! ... I know I know ... I am just cheap

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Current cars:
1987 Mercedes 300D
1997 Turbo Nissan Maxima
2001 Lexus IS300 2JZ-GTE & 6 speed swap
2002 BMW E46 M3 - done ... needs engine management
2005 E55 AMG - mods started starts with a pulley and goes on from there!!!

Just one problem with that theory: it isn't true.


Just one problem with that theory: it isn't true.