cincy and ignition problem

[sciroccos at earthlink.net (Jim Ruffi)]

Yeah, that was the first thing I suspected.  Not the cause, unfortunately.

>-----Original Message-----
>From: Brian Wagner [mailto:dagnamit@gmail.com]
>Sent: Thursday, April 21, 2005 4:14 PM
>To: Jim Ruffi
>Cc: Drew Mac; roccit_53@scirocco.cs.uoguelph.ca; Scirocco-l@scirocco.org
>Subject: Re: cincy and ignition problem
>
>
>I had this problem on 2 MK2 Scirocco's and it turned out to be the
>damn ignition switch. As the contact piont wear in the plastic housing
>they recede in the plastic from the weight on the harness, so that
>when the key is placed in the start poistion the starter is only
>drawing juice. It was damn strange.
>
>Brian
>
>On 4/21/05, Jim Ruffi <sciroccos@earthlink.net> wrote:
>> >Along the lines of what Cathy's talking about, most CIS cars have a
>> >wire running from the solonoid to the ignition coil to insure good
>> >voltage to the coil when cranking.  You may wish to check that yours
>> >isn't missing, broken, or otherwise not functioning as advertised.
>> >
>> >Drew
>> 
>> I'll check the diagram/car for that one.
>> 
>> I did check all grounds in the engine bay, as I mentioned 
>before.  Checked
>> the ground strap to the trans mount and the cluster of grounds 
>on the back
>> of the intake maniold.  Checked the coil low-voltage wires.  Checked
>> continuity of all ground wires and installed additional grounds 
>and jumper
>> cables to beef it up during testing....no dice....I only get a 
>spark AFTER I
>> stop cranking the starter, which tells me the car will probably 
>bump start
>> just fine.  I still plan to replace the battery negative cable 
>and crimp new
>> ends on all of the ground wires....have to buy the OE brass ring 
>terminals
>> from Wurth first, though :-)
>> 
>> The PO put new plug and coil wires on the car, presumably to correct the
>> problem.  I ran through all of the Bentley tests and it pointed to a bad
>> ICU, however, when I drop the fuse panel, the car seems to start 
>right up.
>> Last night, I pulled all of the connections from the back of the fuse
>> panel....looked ok, except for a dab of corrosion that got my attention.
>> Put the box back in place...no spark while cranking......
>> grabbed at the wires on the left side - no luck
>> tugged at the wires on the right side - started right up
>> 
>> I can't locate the exact wire that might be causing this.  I 
>might actually
>> need a new fuse panel...it could be that the wire tugging just 
>stresses the
>> panel enough to bridge some loose connection somewhere.
>> 
>> What frustrates me off is that I feel that the info the Bentley 
>provides is
>> not detailed enough.  It would help if the various black boxes 
>were expained
>> a bit more, as far a functionality...some logic info and a 
>breakdown of the
>> purpose of every external connection....but I'm asking for a lot.
>> 
>> Jim
>> 
>> 
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>