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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 09-20-2019, 06:28 PM
nsguajiro nsguajiro is offline
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Mein Auto: '99 328i Convertible
Pass fog light not working... suggestions?

'99 328 convertible

Pass fog light hasn't worked since I bought it. All other lights OK, fuses good, driver fog light works fine. I get 12 volts from bulb connector to chassis. I also checked current and got 300 milliamps, though I'm no elec-chicken and I don't know if current means anything given that the bulb isn't illuminating, though I'm kinda curious to short out the connectors with my meter and see what I get.

I've been told to check for loose grounds, but those wires seem to run all the way back to the fuse box... is there a relevant ground connection I should be looking for? Any other ideas? Thanks.
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Old 09-22-2019, 02:44 PM
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hornhospital hornhospital is offline
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You said you get 12 volts from the bulb socket to chassis ground.....do you get a solid ground (continuity) from the plug to ground? The bulb must have a return path to ground.

Have you tested continuity through the bulb?
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Last edited by hornhospital; 09-22-2019 at 02:47 PM.
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Old 09-22-2019, 06:43 PM
nsguajiro nsguajiro is offline
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Quote:
Originally Posted by hornhospital View Post
You said you get 12 volts from the bulb socket to chassis ground.....do you get a solid ground (continuity) from the plug to ground? The bulb must have a return path to ground.

Have you tested continuity through the bulb?
I checked bulb continuity, hot to chassis voltage, and ground connector to chassis continuity.

Possibly also relevant is that my washer fluid motor is also not working.

I did find the Bentley Manual pdf and dl'd that, I haven't had any time to mess with it today, but hopefully that'll give me a better idea of what I'm looking at and what to check.
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