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#16
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#17
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The charge bulb is installed, and even though voltage at battery is 13.8, the charge bulb does NOT come on with key on engine off. I have never seen it on. I did take it out and tested it and the bulb is ok.
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
#18
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Cool, will do
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
#19
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Remove alternator connector, ground the blue wire to the alternator case with key on, engine off. Charge indicator should illuminate.
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#20
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This light not turning on is why the alternator needs elevated engine speed to start charging. The light / blue wire wakes up the alternator before it starts spinning. Some regulators have a back up circuit that will allow the alternator to start charging without this wire. ( and residual magnetism in the alternator can get thing rolling. ) |
#21
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
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- Replaced the brake wear light and brake light with regular incandescent bulbs.
- Fixed the problem with the radio cutting out - the previous radio had the speaker "-" combined and I followed the wire till I found the separate speaker "-" wires for left and right; I can have it super loud now - New VR is on order - New door strikers are on order - The clock is waaaaay slow. Like, maybe 10 minutes per hour slow. Otherwise things are slowly improving!
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 Last edited by konstan; 11-27-2016 at 09:26 PM. |
#23
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Did you ground the blue wire as stated in post 19 by Funola to see if charge light comes on?
The clock has two 100uF 16 volt capacitors that should be changed. What did you use for LED backlighting for the instruments? Nothing to do with your problem but I would like to improve the lighting in a neighbour's 123 coupe. |
#24
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I had to re-arrange the leads because they wrapped around on both sides and therefore if left untouched would've simply shorted the socket. Its definitely brighter than the original bulbs.
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
#25
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If you unplug the blue wire, ground it then turn the key to the run position, the dash charging light should light. If it does not, that circuit needs fixed. This test is independent of the alternator functioning or even in the car at all. |
#26
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"regular LEDs" I hope that is a typo and you meant regular incandescent bulb.
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#27
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Tomorrow will put the instrument cluster back in and do the blue wire test. Have a theory why clock was running slow: the adjustment gear shaft was binding and so the clock adjustment mechanism was creating a drag. I disassembled and cleaned the adjustment mechanism, hooked it up to 12V, set the correct time, will check tomorrow.
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
#28
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In all my years of driving, I have never had to buy a VR because I never had one go bad. The brushes wear and I just replace the brushes when they get too short.
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#29
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You aren't understanding how these alternators work, thus ignoring the many suggestions. They are confusing. Same Motorola-style was used on 70's GM (google). They generate the field current internally. That circuit requires a "boot-up" current, which comes from the "battery" lamp. In 1984+, a few other lamps (brake pads, low fuel) add to boot-up current, but apparently as a "bulb check" function for them. An LED will not supply enough current to boot-up at idle. Doesn't mean you can't use LED's (I do). As mentioned, there is usually enough residual magnetism to boot-up once you rev to ~1500 rpm. The lamp should then go off. The Owner's Manual states if it doesn't turn off - emergency trip to dealer. BTW, appears others are misreading what your wrote - "lamp not on with key off". That is good.
With LED's you have a 50-50 chance. They are all polarized. Just turn 180 deg until they light. LED's that shine forward are especially good for the "light tunnels" that light the speedometer and tachometer. Look closely because M-B bulb holders are different. Some LED's will short-circuit the holder, which will fry a trace on the dash circuit board (how would I know?). Test first w/ a multimeter.
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans |
#30
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I did go back to plain bubs for both of the brake lights. Quote:
For what it's worth, the charge light has never worked on that car, it's just that this time I finally got tired of it not working and figured while I am poking around the instrument cluster I'd get a crack at fixing it too... Remember this whole project started as "I want to fix the clock"...
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'82 300D (project) '46 Willys (project) "Nothing seems to be the way it should in this garage." -jt20 "Smarter than an engine, dumber than a hoodlatch..." -jt20 "Start jumping up and down to smoosh down those engine mounts" -DeliveryValve "no" -kerry "At this rate, you may have it done by winter" -layback40 |
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