 14 Pin Relay board connector, Same for all cars? |
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| 914werke |
  Mar 16 2026, 07:05 PM
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#1
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"I got blisters on me fingers"  Group: Members Posts: 11,580 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest 
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Typically ..Im troubleshooting a Cust. car were someone thought it was a good idea to hack off pins & reroute circuits (IMG:style_emoticons/default/WTF.gif)
Did a bit of searching for the correct position & color coding of the contained wires. I have a couple of cars around here that I could pull the cover off to check (IMG:style_emoticons/default/wacko.gif) but its dark & raining & Im lazy. (IMG:style_emoticons/default/ar15.gif) The question du jour is do all chassis harnesses have generally the same wire color scheme ? I did notice some use a solid Yellow vs Yellow w/ red for Pin #1 but the rest seems pretty consistent, except for Pin #6 = Oil press (black) Some cars have it others dont (empty) is this normal? (IMG:style_emoticons/default/slap.gif) |
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| TRP |
Mar 16 2026, 08:08 PM
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#2
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Member Group: Members Posts: 247 Joined: 2-September 23 From: Morgan Hill, CA Member No.: 27,559 Region Association: None
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This is a question for @JeffBowlsby , He has probably seen more wiring harnesses than anyone!
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| SirAndy |
Mar 16 2026, 08:29 PM
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#3
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Resident German Group: Admin Posts: 42,462 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
There's at least two versions (early vs. late) (might even be three) with several different wires.
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| JeffBowlsby |
Mar 16 2026, 10:03 PM
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#4
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914 Wiring Harnesses & Beekeeper Group: Members Posts: 9,212 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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I know that 14pin connector circuits has differences between some of model years. Recommend checking the schematics for model year specifics.
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| 914werke |
Mar 17 2026, 11:27 AM
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#5
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"I got blisters on me fingers" Group: Members Posts: 11,580 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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Differences? They all connect to the same (except the /6) relay board that I know of?
If I wasnt clear I was just curious if on base cars w/o an oil temp in the combo guage or console the wiring was left out? |
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| JeffBowlsby |
Mar 17 2026, 12:24 PM
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#6
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914 Wiring Harnesses & Beekeeper Group: Members Posts: 9,212 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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The schematics indicate that all years have OT circuits at the 14 pin...except for 1972.
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| 914werke |
Mar 17 2026, 03:05 PM
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#7
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"I got blisters on me fingers" Group: Members Posts: 11,580 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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My error, you are correct I was looking at pin #6 (oil Pressure gauge ?)
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| SirAndy |
Mar 17 2026, 07:20 PM
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#8
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Resident German Group: Admin Posts: 42,462 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(914werke @ Mar 17 2026, 10:27 AM)  Differences? They all connect to the same (except the /6) relay board that I know of? If I wasnt clear I was just curious if on base cars w/o an oil temp in the combo guage or console the wiring was left out? Found a thread with pics. There are two wires different early vs. late in the 14 pin /4 connector layout. Pin 11 and Pin 6 Also worth noting that Pin 85 and 86 are filpped on all the relays and the 12 pin connector has a different pin-out as well. http://www.914world.com/bbs2/index.php?showtopic=252880 (IMG:style_emoticons/default/bye1.gif) |
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