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Abbreviation for the 3rd generation of Corvettes built from 1968-1982....
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Schrade SIR DTC's ...
Elite Guru
eastern NC / e-i-e-i-o
1909 Posts
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2008/8/15 2:01



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I got a flashing SIR with everything dry-fit - figured it was a code.

FSM says jump ALDL K to A, and watch 12 x 3, then code, just like SES light.

'1', of 12, is 25 seconds long. '2', is 2 VERY quick flashes...

Any one else like that ('90) ?

I got a 42 for Lamp Circuit, Open. On some vehicles, if you turn Ignition On, with any SIR connector open, you get SIR DTC. I think that's what I did here...

Edit: yup - Ig ON, with open makes DTC.

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Posted on: 2016/3/1 20:20
Edited by Schrade on 2016/3/1 20:40:32
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Matatk Re: SIR DTC's ...
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Looks like you answered your own question!
Posted on: 2016/3/1 20:54
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1989 Corvette...RIP
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Schrade Re: SIR DTC's ...
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eastern NC / e-i-e-i-o
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I could not erase the code. Tried 5, 6 times, as per FSM sequence.

Where is the I/P Connector? It is NOT the I/C connector, I don't believe.

?????????????????
Posted on: 2016/3/1 23:32
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Matatk Re: SIR DTC's ...
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There is a special SIR adapter to erase the code using the tech 1. I have one if you can't find one on eBay, etc.

The other method has to do with turning the key on and grounding the aldl a certain way a couple of times:

http://zr1.net/forum/showthread.php?t=19070
Posted on: 2016/3/1 23:47
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc.
1989 Corvette...RIP
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Matatk Re: SIR DTC's ...
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There is a special SIR adapter to erase the code using the tech 1. I have one if you can't find one on eBay, etc.

The other method has to do with turning the key on and grounding the aldl a certain way a couple of times:

http://zr1.net/forum/showthread.php?t=19070
Posted on: 2016/3/1 23:47
_________________
2002 EBM convertible, Magnusson supercharger, cam, headers, etc.
1989 Corvette...RIP
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Schrade Re: SIR DTC's ...
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eastern NC / e-i-e-i-o
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I got the 'K' to Ground in ALDL. That brings up the codes for SIR.

Didn't get the Tech 1 SIR adapter in the kit.

Tried the sequence for SIR erase. Did not work.

SIR DTC 42 FSM Flow Chart has an error in it, for Blue vs Gray halves of DIC connector, in tracing 42 Circuit.

I have lost count of errors I've found in C4 FSM's.

What is 'Instrument Panel' connector? It is NOT I/C Cluster Connector...
Posted on: 2016/3/2 3:41
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Schrade Re: SIR DTC's ...
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eastern NC / e-i-e-i-o
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Send it Matt; message me a PP address or your address, and I'll get po$tage+ to you there. Not interested in buying more stuff after buying the MT-2500, AND Tech 1 $$$

Manual calls that cartridge TK0000065, I think...

I tried the sequence with jumper in ALDL, 5 or 6 times. Must have missed the 3 second timer detailed in the process - it calls for that 3-second thing twice, with .5 second 'window'.

Quote:

Matatk wrote:
There is a special SIR adapter to erase the code using the tech 1. I have one if you can't find one on eBay, etc.

The other method has to do with turning the key on and grounding the aldl a certain way a couple of times:

http://zr1.net/forum/showthread.php?t=19070
Posted on: 2016/3/2 19:54
_________________
LT5, Marc Haibeck ECM module, AUTOMATIC!!!

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