The trouble is that they're all automatic, so there's no real way of testing them. My touring has the heated package and I've no idea what works and what doesn't - I doubt any of it does by now.
As for the others, use the Wiring Diagrams. Cxxx represents a connector, Gxxx is a ground, Sxxx is a splice/joint in the loom.
http://www.e30zone.net/e30zonewiki/inde ... g_Diagrams
Heated washer jets, locks and heated seats
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Grrrmachine
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'89 325i Touring | Touring Resto Thread | In-Dash Screen install
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DHFiS
- Old Skooler

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1. Wait for the first frostdiable wrote:Guys, I believe I have heated washer jets as there are a couple of cables that follow the pipes for the water to the jets, i don't think these are working so what is the best ay to test/repair or replace them?
2. Turn on engine
3. Look at washer jets.
If the frost melts then they work, if it doesn't they do not.
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Brianmoooore
- E30 Zone Team Member

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Easiest way to check if they are working is to pull out the relevant fuse, turn on the ignition, and connect an ammeter across the fuse socket.
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Grrrmachine
- E30 Zone Wiki / Team Member

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heated washer jets get their power by tapping into the washer pump feed, so Fuse 5. Door lock heating is Fuse 27. Heated seats have a plug on the accessory socket:
http://www.e30zone.net/e30zonewiki/inde ... ory_Socket
http://www.e30zone.net/e30zonewiki/inde ... ory_Socket
'89 325i Touring | Touring Resto Thread | In-Dash Screen install
