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| | | Forums66 Topics128,106 Posts1,056,217 Members48,436 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#99872 03/15/2007 12:21 AM | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | I have a 1964 1/2 ton that I am working on. While I know I can purchase completed wiring harnesses or purchase a kit, I prefer to make my own. It's just the way I am. I want to say I did it myself. So my question is this; On the main wiring harness under the dash there are two places that the harness exits through the firewall. One has wires to the engine and the other for lights, horn, etc. (not the taillight harness connection). These harnesses have a hard plastic holder ? that keeps them in place. How do you remove these connectors from the firewall without destroying them. I'm good at that part. | | |
#99873 03/15/2007 3:30 AM | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | I believe there's a couple of screws holding the two blocks together. I think you'll have to remove a couple of the fuses to get to them on the fuse panel one, Scott | | |
#99874 03/15/2007 3:36 AM | | Anonymous Unregistered | | Anonymous Unregistered | There should be one small bolt in the center on the plug on the outside under the hood & there may be 2(or 4) screws on the inside around the fuse box. ZooKeeper | | |
#99875 03/15/2007 3:24 PM | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | Thanks for the comments. However not the fuse box, I am looking at the connectors. One is located above the fuse box the other in the upper portion of the transmission hump near the top of the firewall. I did go and look for the bolts ZooKeeper and did get the bigger of the two (located over the fuse box) to spin/twist and come apart. Maybe the other will do the same, it is just hardened with age? | | |
#99876 03/15/2007 5:03 PM | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | I just cut the rubber grommet, they are available aftermarket for cheap. Brian | | |
#99877 03/16/2007 5:26 PM | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | Thanks 64fleetside. I have looked online and see ones at American Autowire (page 38 of their online catalog). Are these the ones you refer to? Or is there another source you use? By the way, I see in your signature that you have a 64 Suburban with a 350/700R4. Mine is a C10 fleetside short bed with the same combo. I use a 3.08 rear out of a 71. Get about 2000 rpm at 65 and love it. That's another thread. Talk with you later. Again thanks to everyone here. | | |
#99878 03/16/2007 6:19 PM | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | Rusty, I got mine thru either American Classics or Classic Parts of America(ChevyDuty). A firewall grommet set is available. My burb has a 3.73, I really haven't driven it much(still doing bodywork) but I had the combo in my fleetside using a 3.42 rear-love that overdrive! Its a completely different truck compared to the TH400 that was in it. Brian | | |
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