Overdrive wiring - 145

kean · Feb 25th, 2013, 19:08

Quick question - were there blind wires for overdrive included in cars without overdrive units?
Seems like a dim question, I know, but there's this third wire attached to fuse 4 that when removed makes no noticable difference to normal business. Could it be a blind wire included in the harness?
Thanks,
Kean

lotsofmagnets · Feb 26th, 2013, 00:22

it´s been a while but from memory there was no pre-wiring for the od on the 140s or 164s

kean · Mar 1st, 2013, 18:11

you know, I think you're right.
The third wire on fuse 4 was the seatbelt warning light - hadn't noticed because initial checks were whilst parked on driveway and then put seatbelt on before heading out for a drive!)
Still, it finds its way to the top of the transmission, so a good one to follow.

Now need a connector pin for the back of the speedo so the Overdrive light can come into the circuit.

All good fun!

Feb 25th, 2013, 19:08	#1
kean Junior Member Last Online: Feb 22nd, 2017 21:14 Join Date: Dec 2008 Location: Solihull	Overdrive wiring - 145 Quick question - were there blind wires for overdrive included in cars without overdrive units? Seems like a dim question, I know, but there's this third wire attached to fuse 4 that when removed makes no noticable difference to normal business. Could it be a blind wire included in the harness? Thanks, Kean

Feb 26th, 2013, 00:22	#2
lotsofmagnets Junior Member Last Online: Dec 15th, 2023 20:59 Join Date: Jun 2010 Location: reykjavík	it´s been a while but from memory there was no pre-wiring for the od on the 140s or 164s

Mar 1st, 2013, 18:11	#3
kean Junior Member Last Online: Feb 22nd, 2017 21:14 Join Date: Dec 2008 Location: Solihull	you know, I think you're right. The third wire on fuse 4 was the seatbelt warning light - hadn't noticed because initial checks were whilst parked on driveway and then put seatbelt on before heading out for a drive!) Still, it finds its way to the top of the transmission, so a good one to follow. Now need a connector pin for the back of the speedo so the Overdrive light can come into the circuit. All good fun!

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