 Need fuse/ relay board wiring diagram for 76 914 |
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| LCOX |
 Sep 19 2015, 07:54 PM
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Member  Group: Members Posts: 93 Joined: 19-December 09 From: Pinnacle Member No.: 11,148 Region Association: None  |
Anyone know where I can find a fuse/relay board diagram for a 76 914. Need the relay board diagram for the one in the interior not the one in the engine compartment.
-More specifically I'm having problems with the power relay socket that sends power to the horn, fresh air fan and wipers none of which works. Need to know where the 4 wires from this relay socket go. -the 4 wires coming from this relay socket are red/black stripe, red/white stripe, red and tan are the colors of the wires that I need more routing info on. -Any help appreciated. Thanks L |
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| JeffBowlsby |
Sep 20 2015, 09:29 AM
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914 Wiring Harnesses Group: Members Posts: 8,485 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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QUOTE(LCOX @ Sep 19 2015, 06:54 PM)  Anyone know where I can find a fuse/relay board diagram for a 76 914. Need the relay board diagram for the one in the interior not the one in the engine compartment. -More specifically I'm having problems with the power relay socket that sends power to the horn, fresh air fan and wipers none of which works. Need to know where the 4 wires from this relay socket go. -the 4 wires coming from this relay socket are red/black stripe, red/white stripe, red and tan are the colors of the wires that I need more routing info on. -Any help appreciated. Thanks L Use the factory wiring schematic. |
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| mepstein |
Sep 20 2015, 10:06 AM
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914-6 GT in waiting Group: Members Posts: 19,246 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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| Tom |
Sep 20 2015, 12:54 PM
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#4
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Advanced Member Group: Members Posts: 2,139 Joined: 21-August 05 From: Port Orchard, WA 98367 Member No.: 4,626 Region Association: None |
LCOX,
Had the same issue on my 76 some years ago. Wires were OK. Issue was relay prongs contacting the socket were not good. Fix was to wire brush/lightly sand, then wash with isopropyl alcohol or contact cleaner and dry the contacts as best as you can. A 22 cal. bore brush works on the socket OK. Before inserting the relay, turn it upside down and spread the male prongs slightly. It allows a tighter fit in the socket. I knew I had an issue because my radio was powered off of that circuit and when I would hit a small bump, the radio would go off, that is until the next bump, when it would suddenly come back on. Tom |
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| cary |
Mar 22 2020, 01:45 PM
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#5
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Advanced Member Group: Members Posts: 3,900 Joined: 26-January 04 From: Sherwood Oregon Member No.: 1,608 Region Association: Pacific Northwest
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QUOTE(Jeff Bowlsby @ Sep 20 2015, 08:29 AM) Use the factory wiring schematic. Did just that. Confirmed that the incoming wires to the 75 relay board are the same as the 73. There are no call outs for the L Jet chassis harnesses being different than the D Jet. Relay boards are the same for all years, all inductions. Beings that @dennisphelan had already had a smoke event. No need to make any assumptions. Due Diligence. I hate shop fires ............. Will confirm no damage to T-12, 7 & 9. http://www.914world.com/bbs2/index.php?sho...=335555&hl= Won't be long before the engine will be going back in. (IMG:style_emoticons/default/biggrin.gif) |
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