VSS

[Bruce Plecan]

-----Original Message-----
From: TBK <terryk at foothill.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, August 12, 1998 10:52 AM
Subject: Re: VSS


>I've driven my 7730 with an oscillator at about 10V pk-pk Bruce.  A
standard
>4 pole VSS won't trigger it?
>TK

Well, per off line letter tried feeding it a distributor signal, just from
the
pickup coil, and doing that gives me a vss signal.  Was using a 555 and for
some reason, a DC pulse wouldn't trigger it, Hmmmm.
Cheers
Bruce

that didn't work???????.
>-----Original Message-----
>From: Bruce Plecan <nacelp at bright.net>
>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>Date: Wednesday, August 12, 1998 6:09 AM
>Subject: Re: VSS
>
>
>>
>>-----Original Message-----
>>From: Richard Wakeling <kojab at ar.com.au>
>>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>>Date: Wednesday, August 12, 1998 1:07 AM
>>Subject: Re: VSS
>>
>>
>>>Hi Bruce,
>>> What ECU are you testing below. Is it the 808 or 747?
>>
>>Ooops, it's the 1227730
>>
>>>If it is the 808, could it be that your scanner is giving you the wrong
>>>info. What scanner are you useing on the 808?
>>
>>Haven't gotten that far yet.
>>>Cheers Richard
>>>
>>>Bruce Plecan wrote:
>>>>
>>>> OK, on the bench ecms.  No matter what memcal, the scanner sees
>>>> no MPH, and the TCC is always on.  Gear switch doesn't change it
>>>> or 4th gear apply switch.
>>>>     Sounds like a bad ecm, maybe?.
>>>> Any thoughts?, I've checked the wiring several times and everything
>>appears
>>>> right..
>>>>     Kelp
>>>> Bruce
>>>
>>>
>>
>>
>
>