----- Original Message -----
From: "David Gersic" <info@zaccaria-pinball.com>
To: <dakota-truck@dakota-truck.net>
Sent: Sunday, May 17, 2009 9:38 AM
Subject: Re: DML: Strange electrical problem
>
> On Sunday 22 March 2009 20:24:13 David Gersic wrote:
>> So, refining my symptoms a bit, here's what I have:
>>
>> When turning the key to "run", I get several "bing" noises from the dash.
>> Some of them may be the usual length, others are truncated.
>>
>> If I have the headlights on, and I turn the key to "run", I not only get
>> the weird and inconsistant "bing" noises, I also get a click from the
>> lamp
>> relay, the odometer brightness goes back to normal (like when the
>> headlights aren't on), and the hi-beams flash briefly. This may happen
>> one
>> or more times.
>>
>> It doesn't matter if I start the truck or not, the same things happen.
>
> Following up on this, I replaced the Central Timing Module (CTM) yesterday
> with the one I picked up from the junkyard. That seems to have fixed the
> problems, as I no longer get the truncated "bing" noises at startup, and
> the
> headlamps no longer flash on and off.
>
> The CTM is all surface mount parts, but since I now have a known working
> one,
> I'm going to see if I can fix the failed one. I suspect that it's a
> cracked
> solder joint, since the CTM still basically works. Reflowing all of the
> joints
> shouldn't take very long, and if it works afterward, I'll have a spare in
> case
> I need it. If it doesn't work afterward, I'm not really any worse off.
>
>
>> Can somebody with an '01 Dakota tell me how many "bing" noises from the
>> dash are normal? Just turn the key to "run" and count them. I seem to
>> recall it being two, but would appreciate confirmation.
>
> This doesn't seem to be a constant. I've counted 6 and 4, seeming to
> depend on
> whether I'm starting the truck cold (6 bings) or hot (4 bings). It would
> be
> interesting to know what these mean, but that doesn't seem to be
> documented
> anywhere.
>
>
>
Mine does the same (97), anywhere from 2, 4, to 6 bings , not the same
each time .
~ Jay
>
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