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Re: 1993 New Yorker EVIC in a 1994 Caravan
Chrysler Dodge, Plymouth, Jeep, Eagle, etc info/talk (rec.autos.makers.chrysler)
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Re: 1993 New Yorker EVIC in a 1994 Caravan -
12-07-2006
, 09:35 PM
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A little project I have been working on. You can see details here http://www.allpar.com/forums/index.php?showtopic=85865 I am putting a EVIC overhead console from a 1993 New Yorker into my 1994 Dodge Caravan. However, I have run into a few hiccups. First off is I had to redo some of the traces on the main board for the EVIC, as an electrolytic filter cap leaked, eating away some of the traces. That problem has been solved. All other caps look okay, and meter okay. This is the big problem. I can put the EVIC in the van, and it will power up. It receives data over the CCD Bus, and will show me mileage info (miles to empty, MPG instant and average). When you shut the van off, the display will stay on for 30 seconds. This is because the CCD bus stays active for 30 seconds after the van is shut off and the driver's door is closed. The pickle, when you go to restart the van, the EVIC will not come back on. I can plug my Snap On MT2500 scanner into the van, read the CCD bus, and it will see the EVIC head. It can run a short display test, and detect button presses of the control buttons. However, the display will not "wake up" unless you unplug the EVIC and plug it back in. Then the display will work again, until it goes back to sleep. There is six wires in the EVIC head. Two grounds (grounded to the body). CCD Bus + & - (wired with a twisted pair of wires down to the CCD Bus diagnostic port under the dash. A pink wire which powers the map lights and EVIC head, and a yellow wire which is supposed to be the IOD wire for the clock in the head. Both the pink and yellow are wired to a constant hot. I also have the Engine node from the donor vehicle. It is installed, and wired to the CCD bus, but I have not yet wired it to a keyed hot. (I had it wired to a constant hot, but the EVIC head would not shut off, likely due to the CCD Bus staying active.) So, anyone here want to take a crack at my troubles? |
Can't tell you what your problem is, but I can perhaps give you
a bit of a start toward it...
I have a 94 lhs with the overhead, and it extinguishes as soon
as the ignition turns off. Perhaps they're different, because
I have a "clock" up there, but it isn't a real time clock... even
the manual isn't clear about what it's indicating, but I suspect
it just might be recording time that the ignition is on.
If I'm guessing right, then I suspect what's happening to you is
that your "clock" wire should be wired to an "ignition on"
point, rather than constant hot.
Not a mechanic, just an old retired electrical guy, so take
my suggestion with a grain of salt...
Take care.
Ken
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Homer Simpson wrote: A little project I have been working on. You can see details here http://www.allpar.com/forums/index.php?showtopic=85865 I am putting a EVIC overhead console from a 1993 New Yorker into my 1994 Dodge Caravan. However, I have run into a few hiccups. First off is I had to redo some of the traces on the main board for the EVIC, as an electrolytic filter cap leaked, eating away some of the traces. That problem has been solved. All other caps look okay, and meter okay. This is the big problem. I can put the EVIC in the van, and it will power up. It receives data over the CCD Bus, and will show me mileage info (miles to empty, MPG instant and average). When you shut the van off, the display will stay on for 30 seconds. This is because the CCD bus stays active for 30 seconds after the van is shut off and the driver's door is closed. The pickle, when you go to restart the van, the EVIC will not come back on. I can plug my Snap On MT2500 scanner into the van, read the CCD bus, and it will see the EVIC head. It can run a short display test, and detect button presses of the control buttons. However, the display will not "wake up" unless you unplug the EVIC and plug it back in. Then the display will work again, until it goes back to sleep. There is six wires in the EVIC head. Two grounds (grounded to the body). CCD Bus + & - (wired with a twisted pair of wires down to the CCD Bus diagnostic port under the dash. A pink wire which powers the map lights and EVIC head, and a yellow wire which is supposed to be the IOD wire for the clock in the head. Both the pink and yellow are wired to a constant hot. I also have the Engine node from the donor vehicle. It is installed, and wired to the CCD bus, but I have not yet wired it to a keyed hot. (I had it wired to a constant hot, but the EVIC head would not shut off, likely due to the CCD Bus staying active.) So, anyone here want to take a crack at my troubles? Hi Homer... Can't tell you what your problem is, but I can perhaps give you a bit of a start toward it... I have a 94 lhs with the overhead, and it extinguishes as soon as the ignition turns off. Perhaps they're different, because I have a "clock" up there, but it isn't a real time clock... even the manual isn't clear about what it's indicating, but I suspect it just might be recording time that the ignition is on. If I'm guessing right, then I suspect what's happening to you is that your "clock" wire should be wired to an "ignition on" point, rather than constant hot. Not a mechanic, just an old retired electrical guy, so take my suggestion with a grain of salt... |
Hope you read this before you consider acting on what
I wrote above, because another issue popped into my
head that's worth considering. (I did warn everyone that
I'm not only an old guy, but also a stroke victim, eh?
With mine at least, when the headlights are turned on the
display intensity dims relative to the position of the
dash lights illumination. Leaving me to think that the
"clock" isn't recording ignition switch on time, but perhaps
actual engine run time, in which case the pink wire may
be connected instead to the computer.
In any case it can't be connected to constant 12v.
Hope someone else can cast more light on this; if not
I'll be happy to pull mine down and take a look best I
can see just where the wires go for you.
Take care.
Ken
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