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Author Topic: Fuse box under bonnet R1 & R2 relays power ?  (Read 6760 times)

Offline Snoopy

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Fuse box under bonnet R1 & R2 relays power ?
« on: 17 April 2023, 11:23 »
Anyone know what the relays R1 (1) and R2 (2) in the under bonnet fuse box power ?



Both are the same Hella 4RA 007 793-08 vw part 7m0 951 253a relays

Thanks for any help.
« Last Edit: 17 April 2023, 11:27 by Snoopy »
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Offline joe6

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Re: Fuse box under bonnet R1 & R2 relays power ?
« Reply #1 on: 17 April 2023, 13:45 »
I think A1 is the engine control relay that controls power to the engine management modules and A2 is linked to petrol air mix and pumps additional air into the exhaust on start up -  probably part of emission control?.
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Offline Snoopy

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Re: Fuse box under bonnet R1 & R2 relays power ?
« Reply #2 on: 17 April 2023, 19:51 »
Thanks.  :smiley:
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Current Garage:
Mk6 Golf GTI --- Mk1 Golf GTI --- Mk1 Leon TDI --- Mk1 Mini variant.
35+ years of GTI ownership.
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