Came home last night and the turn signal lights were on along with head/fog lights.
Turned lights off and the turn signals worked. Turned lights back on, BOTH turn signal lights on and blinkers won't work. Any Ideas/
thanks

On another matter, what should combo MPG on that double overhead engine be?

No idea on the lights. MPG should be somewhere in the low 20's.

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-Steven

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1959 190b, totalled
1968 220D, sold
1969 230/8, sold
1980 240D manual, gave away at 300k (stupid me)
1985 190D 2.2 manual, gave away to a youngster
1989 300CE, sold when I retired - major regrets

Thanks volosong! Only getting 15-17 right now. Seems to be rich running.

I would suggest headlight relay/bulb out indicator under the screwed down cover connected to the fuse box. Also if you have messed with the healight assembly check the winshield washer plugs, accidently reversing them on one or both sides can cause issues.

Sounds like either a problem with the turn signal bulbs, or a grounding problem. Start by re-seating the front turn signal bulbs / verifying the correct bulbs are installed. If that doesn't fix the problem the FSM lists all the ground locations. Clean them.

-Jason

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.

Thanks gents!!