[RESOLVED] Why 2 high speed relays for fan?

[turbosax2]

Why are there two high speed relays for the radiator fan?

I’m looking at the wiring in my harness now, and I can’t figure out what the middle relay does. It shares 2 wires (labeled power and ECU pin 20 in the diagram) with the left-most high fan relay. The other two wires go to this connector. One (Black) goes to a ground on the ecu harness, but the other (Blue/black) stops at this connector. On the ecu side of the connector there is a rubber plug in the spot the wire would continue, so essentially it goes nowhere. My understanding is the Blue/black wire is the "Output" wire, so this relay can’t do anything if this wire goes nowhere, right?

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The relay in question is highlighted in red.

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[treebonker]

It's Rad Fan (Lo2) for the automatics. ECU pin20 grounds Condensor Hi and Rad Lo2. Just a blank for the M/T.

 

[turbosax2]

So I can safely remove that relay since I have a M/T?

 

[treebonker]

As long as it doesn't bridge the other Hi relays to the ecu, I can't see why not. Never did understand why autos use Lo2 to ground the Hi speed rad fan motor...

 

[turbosax2]

It doesn't bridge any wiring so I'm going to remove it. Thank you sir