 Alternator Ground Strap, Where does it go? |
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| stinkindiesel |
 Jan 25 2016, 01:56 PM
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#1
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Member  Group: Members Posts: 184 Joined: 14-June 13 From: Georgetown, TX Member No.: 16,012 Region Association: Southwest Region  |
I've heard from some that there was originally a ground strap on the alternator. Others seem to indicate this wasn't the case.
I see a ground strap listed in the PET (901 612 110 00) but no real indication of how it was connected. Obviously, one end goes on the alternator, but could anyone enlighten me as to where the other end would have been connected? Gary |
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Replies(1 - 6)
| drgchapman |
Jan 25 2016, 02:02 PM
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#2
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Current Stable Group: NoClassifiedAccess Posts: 922 Joined: 20-September 04 From: Portland, OR Member No.: 2,789 Region Association: Pacific Northwest |
There is a significant ground strap from the transmission to the body. Not sure about the alternator...
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| rgalla9146 |
Jan 25 2016, 03:22 PM
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#3
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Advanced Member Group: Members Posts: 4,560 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None 
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It goes to one of the studs on the top of the block behind the alt.
But.... I just looked at a 3.0 ( the only six cyl. accessible at the moment) to see which stud and to my surprise there is no evidence there was a ground attached to any of them. ? I don't remember ever seeing a 911 without one. |
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| porschetub |
Jan 26 2016, 12:24 AM
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#4
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Advanced Member Group: Members Posts: 4,702 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(stinkindiesel @ Jan 26 2016, 08:56 AM)  I've heard from some that there was originally a ground strap on the alternator. Others seem to indicate this wasn't the case. I see a ground strap listed in the PET (901 612 110 00) but no real indication of how it was connected. Obviously, one end goes on the alternator, but could anyone enlighten me as to where the other end would have been connected? Gary Engine case to altenator on my 71 six,not a great idea cause it bolts to the altenator over the fiberglass fan air deflector ,to me not a great contact point. |
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| stinkindiesel |
Jan 27 2016, 01:06 PM
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#5
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Member Group: Members Posts: 184 Joined: 14-June 13 From: Georgetown, TX Member No.: 16,012 Region Association: Southwest Region |
The application I'm talking about is a 1.7L 4, not a 6.
The PET shows the strap in group 9 (901: regulator to be exact), and implies it would have been used on both 4 and 6 applications. Interesting that some applications seem to have it and others don't. Gary |
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| rgalla9146 |
Jan 27 2016, 04:21 PM
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#6
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Advanced Member Group: Members Posts: 4,560 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None
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[quote name='stinkindiesel' date='Jan 27 2016, 02:06 PM' post='2294989']
The application I'm talking about is a 1.7L 4, not a 6. The PET shows the strap in group 9 (901: regulator to be exact), and implies it would have been used on both 4 and 6 applications. Interesting that some applications seem to have it and others don't. Gary [/quot I saw your avatar with the 911S piston and just assumed...... |
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| stinkindiesel |
Jan 29 2016, 03:11 PM
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#7
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Member Group: Members Posts: 184 Joined: 14-June 13 From: Georgetown, TX Member No.: 16,012 Region Association: Southwest Region |
[/quot I saw your avatar with the 911S piston and just assumed...... [/quote] Unfortunately, that piston is all I have left of the 1969 911E. Those were the days before kids 3 and 4 came along... Gary |
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