David, thanks for the suggestions. Will follow through!

John

On Mar 23, 2017 05:38, "David Beierl" <dbeierl@attglobal.net> wrote:

> Get someone to crank while you rap sharply a few times on suspect ECU with
> screwdriver handle.  Any signs of life, ECU ignition drive and likely bad
> solder cured by reflowing.
>
> Otherwise swap 'em back, problem either stays with ECU or stays with van.
> That will save you a lot of confusion going forward.  If they both run
> after stop, ECU plug contact or harness intermittent or ECU bad ignition
> driver as above.  In that case begin testing by rapping the suspect with a
> screwdriver handle to see if engine stops.
>
> Adding a foot (with super extra good, wonderful, very fine connections) to
> the ECU ground wire will make things easier as will removing the ECUs from
> the cover plates -- they're just mechanical protection.  At one time I
> thought that you must not ground the heat sink fins on some variation of
> the ECU, but I'm lately convinced otherwise.  I was right before or I am
> now, your bet.
>
> Yrs,
> d
>
> On Thu, Mar 23, 2017 at 6:19 AM, John Rodgers <jrodgers113@gmail.com>
> wrote:
>
>> It's weird. It's worked just fine for over two years since being modified.
>> Then suddenly this malfunction. And with no warning symtoms of any kind
>> that I could detect. My ECU MONITOR shows fuel injector pulse, hall sender
>> pulse, and normally, the coil pulse. Now the coil light is on, but it does
>> not pulse as it should when working properly. Will check it out sometime
>> today. On a WBX 2.1, there are ECU's from different companies, but I
>> surmise they all perform the same. No performance differences across the
>> board and should be interchangeable from one Van/2.1L to another.
>>
>> John
>>
>> On Mar 23, 2017 01:46, "OlRivrRat" <OlRivrRat@comcast.net> wrote:
>>
>> > Sounds as if Your Modified ECU May Have A Bug In It ~
>> >
>> >
>> > On 22 Mar , 2017, at 11:56 PM, John Rodgers wrote:
>> >
>> > No. Swapping in the first place was a pretty good task for an old
>> crippled
>> > guy. The reason for the swap in the first place was that the ECU  in the
>> > '88 GL was modified to use the Shoebox Monitor, which is a great little
>> > trouble shooting tool. I needed it for tuning, It allows you to even
>> drive
>> > the van while simultaneously getting engine performance readouts. At
>> this
>> > point, I have plugged in the monitor, and I'm getting an indication
>> there
>> > is no coil pulse. This happened on the '88 GL one time before. One
>> minute
>> > it ran fine, on the next startup a few minutes later thevcoil was dead.
>> > There was no warning, it just quit. I'll check it out when it gets
>> daylight!
>> >
>> > John
>> >
>> > On Mar 22, 2017 22:33, "OlRivrRat" <OlRivrRat@comcast.net> wrote:
>> >
>> >>         Kinda Curious here about Why You Switched these ECUs in the 1st
>> >> place & Why
>> >>
>> >> You Did Not Immediately Switch Them Back to see if the Issue would go
>> >> away ~
>> >>
>> >>                                                         ORR ~ DeanB
>> >>
>> >> On 22 Mar , 2017, at 5:14 PM, John Rodgers wrote:
>> >>
>> >> > Two vans, both running, parked side by side. A  carat, and an '88 GL.
>> >> > SWAPPED ECU's - '88 GL starts, runs! Carat won't even fire! ECU swap
>> was
>> >> > all that was done. Verifide ground and connection were good.
>> >> >
>> >> > What say "the list"?
>> >> >
>> >> > John
>> >>
>> >>
>> >
>>
>
>