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> Eliminating the Electrical Box and Wiring, under the passenger seat in a '75
euro911
post Dec 15 2014, 01:24 AM
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I'd like to eliminate the electrical relay box and associated wiring that's under the passenger seat. Most of the connections look pretty bad and a PO did bypass some of the connections.

I'm never going to restore this car back to stock '75 specs. I think this it's just something that's eventually going to go wrong.

Has anyone else eliminated this stuff? ... and how did you do it?
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914werke
post Oct 21 2018, 10:44 AM
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Time to reboot this topic ...again.
I think the the topic of defeating or bypassing the nanny circuit is by now well understood & documented but after a couple of searches the actual "logic" or how its supposed to work, doesnt seem to be clearly described.

So here goes:
IIUC (if I understand correctly) if the system is is place and working as it should, the ignition can't be triggered unless both a butt is in the seat AND the seatbelt for driver is connected.
There is both a pressure sensor in the seat cushion and the seat belt receptacle with electrical contacts that close/connect the circuit.
There is also a buzzer and a warning light on the dash but scouring the various manuals I haven't found a clear description of how the dash light is supposed to work.
The Buzzer will sound if the key is in the Ign., not to be confused with door ajar buzzer, but if you aren't sitting in the drivers seat & reach in to key the Ignition should it start ?
What happens with the warning light? Is it supposed to stay illuminated until you latch the seat belt or just flash when keying the ignition?
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Posts in this topic
euro911   Eliminating the Electrical Box and Wiring   Dec 15 2014, 01:24 AM
SLITS   I think that box is the seat belt relay system. J...   Dec 15 2014, 07:33 AM
Jeff Bowlsby   Bypass the two large yellow wires, other than that...   Dec 15 2014, 07:35 AM
NS914   Thanks for this picture Jeff (and Euro11 for posti...   Dec 15 2014, 12:21 PM
euro911   Bypass the two large yellow wires, other than that...   Dec 16 2014, 12:14 AM
ndfrigi   Thanks Mark for starting the thread! So all t...   Dec 15 2014, 01:01 PM
Jeff Bowlsby   Thanks Mark for starting the thread! So all ...   Dec 15 2014, 01:12 PM
ctc911ctc   [quote name='ndfrigi' post='2122685' date='Dec 15...   Apr 8 2019, 11:29 AM
ndfrigi   ok thanks! my 75 1.8 FI has the thick yellow w...   Dec 15 2014, 01:15 PM
GregAmy   My 1974 2L has absolutely zero wires under the pas...   Dec 15 2014, 02:13 PM
Jeff Bowlsby   My 1974 2L has absolutely zero wires under the pa...   Dec 15 2014, 02:39 PM
Dave_Darling   There are two things under the seat. The Dreaded ...   Dec 16 2014, 10:54 AM
Cap'n Krusty   Remove the connectors from the box and shrink tube...   Dec 16 2014, 11:54 AM
euro911   I can do that. Then I can remove the defunct relay...   Dec 16 2014, 03:33 PM
Cap'n Krusty   Yup. If possible, I'd move the resulting coll...   Dec 16 2014, 04:24 PM
ndfrigi   Thanks Mark for starting this thread! And than...   Dec 16 2014, 06:09 PM
ThunderbirdDrive   I know I'm digging up an old post, but this ha...   Jun 3 2016, 11:40 AM
jim_hoyland   One other thing: IIRC there is a grey wire that ru...   Jun 3 2016, 08:36 PM
76-914   Damn, I miss the Cap'n. :(   Jun 4 2016, 08:30 AM
abes914   Damn, I miss the Cap'n. :( I was thinking...   Jun 4 2016, 10:03 AM
914werke   Time to reboot this topic ...again. I think the t...   Oct 21 2018, 10:44 AM
Chi-town   I'm curios on this one too. I have this setup ...   Oct 22 2018, 11:38 AM
914Wiggy   I'm curios on this one too. I have this setup...   Apr 8 2019, 11:07 AM
dr914@autoatlanta.com   don't it, just make sure that the yellow and y...   Apr 8 2019, 11:45 AM


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