[T3] Bad day at the (FI) office

[Daniel Nohejl]

Thanks, Jim! I look forward to the box of brains and the edge connector. 

I was wondering this evening about power supply both to the brain and to/from the relay under the back seat. Perhaps I should also check the ground and power connections there. But would intermittent failure of power or ground cause the motor to stall or to blink/hiccup like it currently does?

I don’t know if it’s relevant, but I installed the fuel pump prime switch/button on Sunday and we’re running the switch off the bottom of fuse #8, the red 16 amp fuse for the wiper motor. Of course my issue exists even with the wipers off, but I figured I’d put it out there in case using that fuse sends up a red flag for anyone.

We had little energy left for testing after work today but we found that with the pedal floored, we’re maybe 10*-20* off from full throttle as seen here

http://www.thesamba.com/vw/forum/album_page.php?pic_id=1478218 <http://www.thesamba.com/vw/forum/album_page.php?pic_id=1478218>

I pulled the cable further through the barrel clamp and now it’s 100% open though I’m at the last bit of metal on the cable end to clamp down on before the cable itself. If it matters, this is the same cable the car came to us with 4 years ago and for all I know it’s original to the car. I’ve yet to examine the throttle Bowden tube or anything else. 

I haven’t driven it yet and won’t be taking it to work tomorrow as I can’t afford to be late in the event of an issue so this is where we’re at for now.

Daniel








> On Mar 15, 2016, at 6:00 PM, Jim Adney <jadney at VWType3.org> wrote:
> 
> Okay, Daniel, 2 more brains are on their way to you. One is an A 
> brain, rebuilt by Bosch into a CU10X, which I assume means it was 
> rebuilt into a B. The other one is a B. Both were tested by me, but 
> only to the same degree as the one you already got from me.
> 
> The Post Office expects to deliver on Thursday.
> 
> Packed in between the 2 brains is a piece out of the edge connector 
> of another B brain, in a tiny zip lock bag. Use it to like a feeler 
> gauge to check each pin in the brain connector on your harness. Pay 
> special attention to these pins:  
> 
> 16 is the 12 V power input for the logic
> 
> 11 is the logic ground
> 
> 24 is the 12 V input for the injectors
> 
> 3, 4, 5, & 6 are the outputs to the injectors
> 
> The connectors that carry the highest currents need to be the 
> tightest. Those would be 3, 4, 5, 6, & 24.
> 
> If you find any of these to be loose, you can carefully bend the 
> connector pin with a small tool, to tighten it up slightly. Be 
> careful, don't overdo it.
> 
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> 
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