1993 Autosleeper VW Trident

There is a relay, marked 38, fitted on the top level of the fuse box/relay assembly located near the right knee. Does anybody know the function of this relay?

The site is primarily based on US-market cars, but does this help?:

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If not, the part you're asking about is a VW factory fitting rather than an A/S add-on, so your best place to ask would probably be the UK VW T4 owner's forum.

Thank you Roopert

I believe it is the relay that runs the secondary coolant circulation pump after the engine is turned off, if the coolant is above a high temperature threshold, measured by a sensor.