Forum: C4 ZR-1 General Postings
03-19-2014
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Replies: 0
Views: 720
Tech 2
Can a GM Tech 2 be used on '90 ZR1s?
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Forum: C4 ZR-1 Technical Postings
03-07-2014
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Replies: 29
Views: 7,971
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Forum: C4 ZR-1 Technical Postings
03-07-2014
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Replies: 29
Views: 7,971
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Forum: C4 ZR-1 Technical Postings
02-25-2014
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Replies: 2
Views: 1,449
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Forum: C4 ZR-1 Technical Postings
02-22-2014
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Replies: 2
Views: 1,449
A/C underhood fuse for '90 ZR-1
Does anyone know where the underhood A/C fuse is on a '90 ZR-1? The manual says near the blower motor. My blower runs all the time even after replacing programmer and blower module.
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Forum: C4 ZR-1 Technical Postings
01-29-2014
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Replies: 10
Views: 2,296
Re: A/C programmer
Dispute initiated on 1/15/2014 but, original unit not returned. ASI has a few names and is listed on EBAY with lifetime repair services.
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Forum: C4 ZR-1 Technical Postings
01-11-2014
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Replies: 10
Views: 2,296
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Forum: C4 ZR-1 Technical Postings
01-11-2014
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Replies: 10
Views: 2,296
Re: A/C programmer
Yes, I sent it to ASI (Automotive Scientific Inc.)on 12/6/2013, then found complaints on internet regarding their service. They have had it for a month and I am still waiting. On 1/10/2013 I...
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Forum: C4 ZR-1 Technical Postings
01-11-2014
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Replies: 0
Views: 903
ASI (Automotive Scientific Inc)
Does anyone have experience with a company called ASI or autoecu? It is an automotive electronic repair company. I sent my a/c programmer to them for repair over a month ago. Their website is...
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Forum: C4 ZR-1 Technical Postings
12-10-2013
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Replies: 10
Views: 2,296
Re: A/C programmer
I have it out for repair. Circuit "1996" which is common to the a/c programmer, ac control head and the Bose radio, disabled my Bose radio. I remember a TSB regarding an issue with circuit "1996", (E...
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Forum: C4 ZR-1 Technical Postings
12-04-2013
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Replies: 10
Views: 2,296
A/C programmer
Has anyone replaced the A/C programmer on a '90 ZR1 with C68 air? This is a real challenge.
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Forum: C4 ZR-1 Parts For Sale / Wanted
08-09-2013
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Replies: 45
Views: 6,872
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Forum: C4 ZR-1 Parts For Sale / Wanted
01-29-2013
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Replies: 13
Views: 2,936
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Forum: C4 ZR-1 Parts For Sale / Wanted
05-03-2011
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Replies: 23
Views: 3,498
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Forum: C4 ZR-1 Parts For Sale / Wanted
05-03-2011
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Replies: 23
Views: 3,498
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Forum: C4 ZR-1 Technical Postings
10-11-2007
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Replies: 22
Views: 13,458
Re: '90 wouldn't start
What is the minimum voltage required? My voltage is measuring 11.6 at the the ALDL using a scan tool. Car will not crank with a jump.
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Forum: C4 ZR-1 Technical Postings
10-09-2005
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Replies: 10
Views: 3,152
Life time Oil filters
Has anyone switched to a life tme oil flter on their LT5. If so, what are the advantages and or short-comings of such a change.
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