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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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Ground Strap bleh
Suffered many months with battery ground strap paranoia, eventually called Waytek and ordered two fancy ones with some fancy adhesive lined shrink.
Bleh. Straps look great, cost $12 each, another $8 for the shrink, but like $13 shipping and almost another $5 for handling under $35, total $43 something for two. First attempt at doing the shrink, it shrank, pulled away from the terminal lug about half an inch. So I put another short piece of shrink on and tried again, close, but still pulled back some AND split. Third time I was more careful with the heat gun. Adhesive did a nice seal, but I think a dab of something to seal and regular shrink next time. Worst part, the end near the lug is too stiff to make the 90 degree bend up out of the battery box (big battery model year 83). I don't think its the three layers of shrink, but haven't checked the bendability of the other cable without shrink yet. No real difference on dash gauge, still shows barely 12v, maybe a teeny bit better, but battery seems to have a full charge, so why worry? Battery is a Bosch, not sure how old, rated 1000 CCA, my Solar BA-5 meter shows it fully charged at 12.5v but a fail at 778 CCA. Handy meter, car starts fine, so no idea when or what I will replace battery with. Other car has same Bosch and shows pass 885 CCA. |
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08-25-2013, 02:24 PM
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Registered
Join Date: Aug 2012
Location: Philadelphia Area
Posts: 3,716
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Pics Mike of everything including the multi-meter please.
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Matt Mariani @the_r_institute Authorized Retailer FIKSE Wheels Mod Italian Wheels Maxilite classic wheels |
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09-01-2013, 04:45 PM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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SOLAR BA5 100-1200 Cold Cranking Amps Electronic Battery Tester : Amazon.com : Automotive
Maybe strap picts later in the week, but it just won't bend close enough to the post connection.
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US 83 zinc metallic 5 spd, aka the nice car. Euro 85 black, 5 spd, the fast rough track car maybe car. SOLD Euro 84 red, AT, only car in garage in years, my parts car, soon to go last 7 years. |
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09-02-2013, 08:47 PM
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I replaced my ground strap for about $42. It worked just great. All I had to do was put it on. If I find where I bought it I will post supplier.
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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09-03-2013, 05:03 AM
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Bought a pair of ground cables off eBay a few years back for my 81 Euro. Looks and works perfectly without the headache of heatshrinking
 I can't remember off hand what kind of car they were for, but I believe the seller was from a Dodge Dealership. It was for the rear battery and the engine grounds. Different sizes but came in a single auction.   
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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09-03-2013, 05:27 AM
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Ah, found an auction for the pair now. It's is for a Dodge Challenger. $14
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
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09-03-2013, 05:29 AM
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Here is the link where I bought my factory look alike ground strap for $25. 928international. These are new, braided straps.
http://forums.pelicanparts.com/porsche-928-technical-forum/714436-battery-ground-strap.html
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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09-03-2013, 05:36 AM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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I may have a chance to mess with mine more on Thursday, thinking bend "while" heating. I also have one strap with no shrink on it to check.
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09-03-2013, 09:48 PM
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