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Got a 2004 limited coupe doing some troubling and in the main fuse box(drivers side) are two relays if you looking from the front of the car we have on the left a yellow five pole relay that's testing good and on the left I have five pole relay in black that not testing as a five pole but test good as a four even thou it has five leads. Anyone by chance know what the left one is for and have a part number for what should be in there? The one currently in there is tyco v23134-m52-x303
GO to the Wiring Chapter, see page 8W-91-12 for a pictorial showing which is which.
One is the brake lamp relay (black) and it's a SPST simple relay. (Page 8W-51-4)
The other is the Keyless Entry Relay and it's a single throw but two pole relay with common input. (Page 8W-61-4)
Here is some advice:
If you are trying to do anything electrical without the service manual, you are wasting your time.