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* Electrical problem - long story - 9 messages, 4 authors
http://groups.google.com/group/alt.autos.nissan/t/0060b9edaf9b20cf?hl=en
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TOPIC: Electrical problem - long story
http://groups.google.com/group/alt.autos.nissan/t/0060b9edaf9b20cf?hl=en
==============================================================================
== 1 of 9 ==
Date: Sat, Mar 20 2010 4:23 pm
From: Jim Yanik
willshak <willshak@00hvc.rr.com> wrote in
news:NM6dnSkYe5fSqzjWnZ2dnUVZ_t2knZ2d@supernews.com:
> willshak wrote the following:
>> Jim Yanik wrote the following:
>>> willshak <willshak@00hvc.rr.com> wrote in news:K-
>>> 6dnY0zIdFRQD7WnZ2dnUVZ_uGqnZ2d@supernews.com:
>>>
>>>
>>>> NissTech wrote the following:
>>>>
>>>>> The first thing I would do is to use a DVOM and check for power on
>>>>> both sides of the fuse , if the add on components have an inline
>>>>> fuse check that also.
>>>>>
>>>>> Next check for power at the component .
>>>>>
>>>>> Last but not least make sure you have a good ground.
>>>>>
>>>>>
>>>>> "willshak" <willshak@00hvc.rr.com> wrote in message
>>>>> news:X6WdnfNcOeER9T_WnZ2dnUVZ_tcAAAAA@supernews.com...
>>>>>
>>>>>> I have a 1997 Nissan XE 4x4 PU 2.4l,4 cylinder, 5 speed stick.
>>>>>> It has about 68,000 miles on the odometer. I have had it since
>>>>>> brand new.
>>>>>> Over the years I have added some electrical stuff that required
>>>>>> tapping into the fuse box.
>>>>>> A. Driving lights.
>>>>>> B. Keyless entry with remote.
>>>>>> C. Extra cigarette lighter sockets for XM radio and GPS.
>>>>>> D. Scangauge II that plugs into the OBD port to give up to the
>>>>>> second vehicle operations, MPH, RPM, MPG, TPS, water temp,
>>>>>> alternator voltage, and other stuff.
>>>>>> All have been working fine until yesterday. I bought a new Garmin
>>>>>> NUVI GPS to replace the old one I had installed.
>>>>>> The new GPS could not use the old GPS's power cable, so I had to
>>>>>> remove the old cable that was stuck in behind other stuff.
>>>>>> This cable had been getting power from an aftermarket cigarette
>>>>>> lighter than I had installed under the dash center in front of
>>>>>> the heater vent. I went to install the new power cable but found
>>>>>> that it was shorter than the old one. This required that I move
>>>>>> the power socket closer to the left side of the underdash
>>>>>> mounting. I had no problem moving it, but I had to remove the two
>>>>>> wires from it to take the shell out of the mount to get to the 2
>>>>>> screws holding it to the dash.
>>>>>>
>>>>>> I don't know what happened, but after I started the car, The GPS
>>>>>> did work from its newly moved power socket, but....
>>>>>> 1. The Scanguage II did not show anything but a blank screen.
>>>>>> 2. The Radio did not work and could not be turned on. The XM
>>>>>> radio module worked and had a signal from the satellite, but no
>>>>>> sound. 3. The driving lights did not come on from the switch.
>>>>>> I checked all the fuses in the fuse box and all were OK. I even
>>>>>> removed the 3 taps to see if the radio would come back on. It
>>>>>> didn't. The worse thing was that the OBD socket was apparently
>>>>>> not getting power. I plugged a regular OBD II reader into the
>>>>>> socket and it too had a blank screen, and just beeped.
>>>>>> 4. Lastly, the engine was idling at about 500 RPM according to
>>>>>> the dash tach. It should be about 800 RPM.
>>>>>> I took it for a ride and, it could be my imagination, but the
>>>>>> engine seemed to be missing a little. It wasn't a dead cylinder
>>>>>> type of miss. I couldn't hear it, and the engine wasn't
>>>>>> shuddering, but I felt it a little. It was more like the fuel
>>>>>> injectors were not delivering the right amount of fuel into the
>>>>>> cylinders.
>>>>>> Anyway, that's my story so far. If anyone can shed some light on
>>>>>> this, I would appreciate it.
>>>>>> --
>>>>>>
>>>>>> Bill
>>>>>> In Hamptonburgh, NY
>>>>>> In the original Orange County. Est. 1683
>>>>>> To email, remove the double zeroes after @
>>>> New problem not discovered before. The AC does not blow cold air.
>>>> The AC indicator light has the blue light, so it is not a blown
>>>> cigarette lighter fuse, as you correctly blamed the some time ago
>>>> when my AC wasn't working and even the blue light was out.. My cig
>>>> lighter fuse is OK and the cig lighter works. There is a fuse in
>>>> the fuse box for Radio/AC, which could be the problem with the
>>>> radio and AC, but it too is OK as checked with an Ohmmeter. Perhaps
>>>> the fuse box is bad?
>>>> Still I don't think that is the problem with the OBD socket not
>>>> working.
>>>> I was wondering if disconnecting the battery for a while and then
>>>> reconnecting it would kinda reboot the computer as it does with
>>>> home computers.
>>>>
>>>>
>>>
>>> yes,that will clear the memory and "reboot" it(meaning the ECU has
>>> to relearn your system's sensors.) I'd be worried that the OBD port
>>> is not working.
>>>
>>> I can't believe there are recent cars without master power
>>> distribution in the engine compartment,with a main fuse and perhaps
>>> major branch fuses.
>>>
>>> www.nissanhelp.com you can DL Nissan factory service manuals,ONE
>>> section per 24hr period.
>>> DL the electrical section,check the schematics.
>>>
>>> a few days,and you'll have the most needed parts of the service
>>> manual for your vehicle,archived on your PC or a flash drive(PDF
>>> files),ready for printout as needed.
>>>
>>>
>>
>> I already have the full 97 nissan pickup manual, but I don't see my
>> problem explained.
>> I disconnected the battery and will wait til tomorrow to hook it back
>> up. We'll see what happens.
>> The last time I did that, it was just a day before a state
>> inspection, and I failed because the computer didn't have enough
>> mileage to reset all the error messages.
>> I got it down to 2 before they would pass the truck at a
>> re-inspection. The other 2 reset after a few days. I've got 2 weeks
>> before the annual inspection is due.
>>
>>
>
> Just an update:
> I hooked up the battery this morning and nothing had changed.
> I checked the battery and got a 12.5 Volt reading without the engine
> running, so the alternator is keeping it charged, but still .
> OBD port not working
> No Radio
> No AC
> Brake light lit on dash with brake off.
> Battery icon on dash dimly lit.
> Idling at about 500 RPM.
> I still feel that slight engine hesitation in my gut when driving.
>
and you still haven't done what NissTech suggested.
You remind me of guys I used to work with;they'd ask for help,then when you
suggested something,they didn't bother to try it.
I'm outta here. good luck.
--
Jim Yanik
jyanik
at
localnet
dot com
== 2 of 9 ==
Date: Sun, Mar 21 2010 2:52 am
From: Peter Hill
On Sat, 20 Mar 2010 16:55:46 -0400, willshak <willshak@00hvc.rr.com>
wrote:
>willshak wrote the following:
>> Jim Yanik wrote the following:
>>> willshak <willshak@00hvc.rr.com> wrote in news:K-
>>> 6dnY0zIdFRQD7WnZ2dnUVZ_uGqnZ2d@supernews.com:
>>>
>>>
>>>> NissTech wrote the following:
>>>>
>>>>> The first thing I would do is to use a DVOM and check for power on
>>>>> both sides of the fuse , if the add on components have an inline
>>>>> fuse check that also.
>>>>>
>>>>> Next check for power at the component .
>>>>>
>>>>> Last but not least make sure you have a good ground.
>>>>>
>>>>>
>>>>> "willshak" <willshak@00hvc.rr.com> wrote in message
>>>>> news:X6WdnfNcOeER9T_WnZ2dnUVZ_tcAAAAA@supernews.com...
>>>>>
>>>>>> I have a 1997 Nissan XE 4x4 PU 2.4l,4 cylinder, 5 speed stick. It
>>>>>> has about 68,000 miles on the odometer. I have had it since brand
>>>>>> new.
>>>>>> Over the years I have added some electrical stuff that required
>>>>>> tapping into the fuse box.
>>>>>> A. Driving lights.
>>>>>> B. Keyless entry with remote.
>>>>>> C. Extra cigarette lighter sockets for XM radio and GPS.
>>>>>> D. Scangauge II that plugs into the OBD port to give up to the
>>>>>> second vehicle operations, MPH, RPM, MPG, TPS, water temp,
>>>>>> alternator voltage, and other stuff.
>>>>>> All have been working fine until yesterday. I bought a new Garmin
>>>>>> NUVI GPS to replace the old one I had installed.
>>>>>> The new GPS could not use the old GPS's power cable, so I had to
>>>>>> remove the old cable that was stuck in behind other stuff.
>>>>>> This cable had been getting power from an aftermarket cigarette
>>>>>> lighter than I had installed under the dash center in front of the
>>>>>> heater vent. I went to install the new power cable but found that
>>>>>> it was shorter than the old one. This required that I move the
>>>>>> power socket closer to the left side of the underdash mounting. I
>>>>>> had no problem moving it, but I had to remove the two wires from
>>>>>> it to take the shell out of the mount to get to the 2 screws
>>>>>> holding it to the dash.
>>>>>>
>>>>>> I don't know what happened, but after I started the car, The GPS
>>>>>> did work from its newly moved power socket, but....
>>>>>> 1. The Scanguage II did not show anything but a blank screen.
>>>>>> 2. The Radio did not work and could not be turned on. The XM radio
>>>>>> module worked and had a signal from the satellite, but no sound.
>>>>>> 3. The driving lights did not come on from the switch.
>>>>>> I checked all the fuses in the fuse box and all were OK. I even
>>>>>> removed the 3 taps to see if the radio would come back on. It didn't
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