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Still lookin for a TECH-1
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justgm Offline
#1 Posted : Saturday, 2 August 2025 4:19:21 PM(UTC)
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HI all, I am still looking for a Tech-1 .....Anyone ? Thanks Mark.
life is good in "Wine & Holden Marlborough "
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stevo Offline
#2 Posted : Sunday, 3 August 2025 5:40:27 AM(UTC)
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I gotta ask what does a tech-1 do? never seen one, what does a tech-1 do that a paper clip and counting the number of times the light flashes can't.
Why do you need one?
GM bleed us dry and run away.
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Dr Terry Offline
#3 Posted : Sunday, 3 August 2025 2:23:06 PM(UTC)
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Originally Posted by: stevo Go to Quoted Post
I gotta ask what does a tech-1 do? never seen one, what does a tech-1 do that a paper clip and counting the number of times the light flashes can't.
Why do you need one?


This is the difference between a proper scanner & a simple code reader. Scanners are used to program keys, recalibrate gauges, update software, operate ABS valves etc. etc. whereas code readers don't usually do much more than read (& maybe erase) fault codes.

The Tech-1 was the predecessor to the Tech-2. From memory Tech-1 was used for VL to VS ((OBD1) & Tech-2 was used for VT onwards (OBD2).

Tech-1s are very thin on the ground these days & so are the various cartridges & adaptors required for the different systems used back in those days.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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justgm Offline
#4 Posted : Monday, 4 August 2025 6:33:59 PM(UTC)
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Yes correct, Tech -1 is a very good diagnostic tool . I can get one out of USA but you need the Holden/Opel programs to make it work on our cars .
life is good in "Wine & Holden Marlborough "
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stevo Offline
#5 Posted : Tuesday, 5 August 2025 5:47:42 AM(UTC)
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Can I ask what are you working on? Very few VN-VP have abs they dont have transponder chips in the key, I made one of these once I've never used it even when I drove a vp. https://www.techedge.com...icle/aldl160/vn_aldl.htm I once had a vq statesman I don't remember using it when I did the brakes on it. What gauges on a Vn-Vp commodore can be calibrated?

Edited by user Tuesday, 5 August 2025 6:38:37 AM(UTC)  | Reason: Not specified

GM bleed us dry and run away.
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Dr Terry Offline
#6 Posted : Tuesday, 5 August 2025 8:40:49 AM(UTC)
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Originally Posted by: stevo Go to Quoted Post
Can I ask what are you working on? Very few VN-VP have abs they dont have transponder chips in the key, I made one of these once I've never used it even when I drove a vp. https://www.techedge.com...icle/aldl160/vn_aldl.htm I once had a vq statesman I don't remember using it when I did the brakes on it. What gauges on a Vn-Vp commodore can be calibrated?


Yes, you are correct with respect to VN-VP ABS & gauges etc. but with Tech-1 on the older cars they are very good with active data. In other words direct reading of things like coolant temp, throttle %, idle motor steps, idle RPM & various other bits & bobs make set-up easier.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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HK1837 Offline
#7 Posted : Tuesday, 5 August 2025 4:44:10 PM(UTC)
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I found these in my shed. No modules though. This was in a box full of stuff I got from Wyong Motors I think. Or possibly the old Young and Green in Belmont NSW. I have never used it on a car as I have no modules, and I have never seen any for sale either.








These guys say they have the Tech1A units for sale in limited quantities.

Edited by user Tuesday, 5 August 2025 4:47:20 PM(UTC)  | Reason: Not specified

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If we all had the same (good) taste, who would buy all the Fords?
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justgm Offline
#8 Posted : Tuesday, 5 August 2025 6:29:43 PM(UTC)
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I have a couple of "modules" to suit Tech-1 . Do you want to sell it ? Thanks Mark.
life is good in "Wine & Holden Marlborough "
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