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Vacuum hose routing
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<blockquote data-quote="kingb1973" data-source="post: 356020" data-attributes="member: 5649"><p>I have always been a bit confused over the combinations of harnesses and vacuum lines and parts. So not sure if any of this will help.</p><p></p><p>I use config 3-15A as I have a 351c-4bbl-MT. Only got into the vacuum/emissions stuff because I wanted to know why I had leads on my feed harness that went to nothing. Seems a harness could fit several configurations.</p><p></p><p>I only have the 2-port PVS in my setup but it is not on the water pump. It is inline with the heater hose. Original Ford part. </p><p></p><p>Pics attached. My understanding is/was that when the configuration required both 2 and 3 port PVS's, there was no place to put the second PVS as the 351-c water pump only had threaded holes for 1? Guess the heater hose idea stuck on other configurations. Could be what you need.</p><p></p><p> <a href="https://ibb.co/74xb6kH" target="_blank"><img src="https://i.ibb.co/PQstfDR/20190803-122357.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p><a href="https://ibb.co/WK0x4bP" target="_blank"><img src="https://i.ibb.co/nkBgNHn/20190803-122443.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p><span style="color: #333333"><span style="font-family: 'Tahoma'">The harness Pics are not mine. Again, taken from other posts. Looks like a feed harness for 3-14A. I believe # 7-8 (Brown and Red/Yellow) are for the rear valve and 9 is oil pressure. #2 would have gone to the valve on the left front if needed. </span></span>My harness has a red lead with up front by #2 and nothing extra back with the oil pressure switch. Almost like they planned on putting a valve in the front?? (More confusion for me...) Don't have that Pic handy, but can find it if you want to see it. </p><p></p><p>Note the single wire in the last Pic that has something to do with the valves and comes through the firewall high up and near center. Think the rest is tucked in near the left kick panel and then goes speed sensor and??????</p><p></p><p><img src="https://i.ibb.co/HrK2q85/image-1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="https://i.ibb.co/8gBgdbf/Under-Hood-Harness.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="kingb1973, post: 356020, member: 5649"] I have always been a bit confused over the combinations of harnesses and vacuum lines and parts. So not sure if any of this will help. I use config 3-15A as I have a 351c-4bbl-MT. Only got into the vacuum/emissions stuff because I wanted to know why I had leads on my feed harness that went to nothing. Seems a harness could fit several configurations. I only have the 2-port PVS in my setup but it is not on the water pump. It is inline with the heater hose. Original Ford part. Pics attached. My understanding is/was that when the configuration required both 2 and 3 port PVS's, there was no place to put the second PVS as the 351-c water pump only had threaded holes for 1? Guess the heater hose idea stuck on other configurations. Could be what you need. [URL="https://ibb.co/74xb6kH"][IMG]https://i.ibb.co/PQstfDR/20190803-122357.jpg[/IMG][/URL] [URL="https://ibb.co/WK0x4bP"][IMG]https://i.ibb.co/nkBgNHn/20190803-122443.jpg[/IMG][/URL] [COLOR=#333333][FONT=Tahoma]The harness Pics are not mine. Again, taken from other posts. Looks like a feed harness for 3-14A. I believe # 7-8 (Brown and Red/Yellow) are for the rear valve and 9 is oil pressure. #2 would have gone to the valve on the left front if needed. [/FONT][/COLOR][FONT=Tahoma][/FONT]My harness has a red lead with up front by #2 and nothing extra back with the oil pressure switch. Almost like they planned on putting a valve in the front?? (More confusion for me...) Don't have that Pic handy, but can find it if you want to see it. Note the single wire in the last Pic that has something to do with the valves and comes through the firewall high up and near center. Think the rest is tucked in near the left kick panel and then goes speed sensor and?????? [IMG]https://i.ibb.co/HrK2q85/image-1.jpg[/IMG][IMG]https://i.ibb.co/8gBgdbf/Under-Hood-Harness.jpg[/IMG] [/QUOTE]
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