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#1
01-06-2011, 09:17 AM
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w115 stereo wiring question....
good morning, in my 73 220d i just put my stereo in it, i got it all wired up, but for a constant 12v to keep the memory settings on the radio, i couldnt find a lead from under the dash, so for the meantime, i ran a wire from the battery, which works fine.
is there a wire under the dash i can tap off of to get a constant 12V, i thought the cigar lighter did, but, when the key is off, so is the power. the only thing i could think of is maybe the hazzard lights? but which wire is the constant power there?
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95 E320 24k 07 E550 4matic 20k Soon to go 1977 240d 481k 2013 SL 600 Non MBs 02 Ford F250 Lariat 4 Quad Cab 7.3 Diesel 95k 01 Chevy Suburban 249K LT 5.3 V8 88 Saab SPG Convertible 32k 06 Lincoln Mark LT 59k 62 VW Bug 52 Bentley Mark IV 53 GMC half Ton Pickup 08 VW Beetle convertible 2k 07 bmw x5 4.8i 17k 03 bmw x5 4.4i 40k 08 Range Rover S 9K 
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#2
01-06-2011, 01:46 PM
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Headlight switch will have a constant 12V feed.
Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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#3
01-06-2011, 06:44 PM
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yup, just as Jim said, use the wire from the headlight switch.
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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#4
01-07-2011, 07:40 AM
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The headlight switch is a good feed because you will not have to cut a splice, just lug the end of the radio feed wire and use the screw terminal on the headlight switch....
Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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#5
01-19-2011, 07:13 PM
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finally got the switch out...does anyone know which one is constant? my batterys out and i dont feel like putting the tray and everything back in just to see which ones hot. thanks
__________________
95 E320 24k 07 E550 4matic 20k Soon to go 1977 240d 481k 2013 SL 600 Non MBs 02 Ford F250 Lariat 4 Quad Cab 7.3 Diesel 95k 01 Chevy Suburban 249K LT 5.3 V8 88 Saab SPG Convertible 32k 06 Lincoln Mark LT 59k 62 VW Bug 52 Bentley Mark IV 53 GMC half Ton Pickup 08 VW Beetle convertible 2k 07 bmw x5 4.8i 17k 03 bmw x5 4.4i 40k 08 Range Rover S 9K
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