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Author Topic: Fuse box under bonnet R1 & R2 relays power ?  (Read 1257 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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Mk6 GTI Carbon Grey, 2010 Bluetooth and voice fitted, a few VCDS mods still a comfortable family car. Red Scirocco 2011 twin charger stage 1 - enjoyable drive now gone.  White 2016 Polo GTI (roller skate on steroids) replaced with an Indium Grey 2019 7.5 GTI PP.

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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Mk6 GTI  &  Mk1 GTI 
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