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No rear wiper - missing relay?

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Hi my rear wiper doesn’t work I’ve WD40 the mechanism but nothing. Rear washer jet is fine.
It has a fuse (haven’t pulled it as was awkward to do so with the box in place, but noticed the far left relay is missing.
However when I check the wiring diagrams this doesn’t seem connected to rear wiper circuit. So I’m a bit confused. Also should that other relay but smaller and metallic, not black and plastic like the others?
Thanks



‘81 Golf GTi Mk1 TSR1600 tintop
'90s Chesil Speedster on '70 VW Beetle Chassis
‘14 Golf GTi Mk7

 

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I would check the fuse first for the wiper. Then I would check the rear wiper motor itself with power to make sure it does work.  I would also check the wiring through the body/tailgate to make sure it's not broken. It could even be the column switch. It's a case of taking each part and checking.

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No rear wiper - missing relay?

[mention]Vic [/mention] thanks. The fuse is good. But I suspect the wiring at the top of the tailgate where it goes into the roof as it looks like it’s been repaired before I think. So I tried the rear windscreen heater with ignition on but engine off and although the dash switch light is on, no heat.
I therefore think there’s no power goes no to the tailgate.
But you did mention testing the rear wiper motor. What’s the best way to do that?

‘81 Golf GTi Mk1 TSR1600 tintop
'90s Chesil Speedster on '70 VW Beetle Chassis
‘14 Golf GTi Mk7

 

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You can use a power probe. Old fashioned way, at your own risk, electrics and sparks! . Use the battery to connect two wires to the live and earth respectively and see if it works.
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