 Heater Cable Red Sleeve, What is it for? |
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| frank_c |
 Nov 17 2025, 10:03 PM
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#1
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Newbie  Group: Members Posts: 16 Joined: 29-December 24 From: Austin, TX Member No.: 28,542 Region Association: None  |
Hello,
The replacement heater cables sold by many of the vendors include a red sleeve slid over the cable wire (see photo below). The cable I purchased has this sleeve on the longer right side of the cable. What is the purpose of this sleeve? Is it meant to be inserted at the end of the cable guide tube at the firewall to reduce friction? If so, what keeps it in place, and why doesn't the left side have one?  |
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| bdstone914 |
Nov 18 2025, 12:15 AM
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#2
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bdstone914 Group: Members Posts: 5,178 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Never seen that. Original cables were plastic coated. Porsche replacements are bare wire and they say grease them. I make my own from piano wire. I make them about 2 inches longer for easier installation
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| 914Sixer |
Nov 18 2025, 07:10 AM
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#3
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914 Guru Group: Members Posts: 9,326 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region 
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Guessing for the bend in the middle where wire goes through lever
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| mepstein |
Nov 18 2025, 07:33 AM
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#4
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914-6 GT in waiting Group: Members Posts: 20,241 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(914Sixer @ Nov 18 2025, 08:10 AM)  Guessing for the bend in the middle where wire goes through lever That’s what I was thinking but I’ve never seen one in a car. |
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| mepstein |
Nov 18 2025, 07:35 AM
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#5
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914-6 GT in waiting Group: Members Posts: 20,241 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(bdstone914 @ Nov 18 2025, 01:15 AM) Never seen that. Original cables were plastic coated. Porsche replacements are bare wire and they say grease them. I make my own from piano wire. I make them about 2 inches longer for easier installation There are 3 different sizes. Early, late and six. I buy them because I like the ones that are coated. |
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