Starter Issue, Starter does not respond to ignition switch Options

[downrange]

Restoring 1974 914 1.8 liter L Jetronic. No starter response to ignition switch. Replaced original starter - no luck. Installed Bosch Starter Relay Hot Start Kit - No luck. Cleaned ground connections to transmission ground strap - no luck. Any suggestions?

If not obvious, I am like a monkey with a iPhone when it comes to auto electronics.

[mtc911]

Been watching this thread as i somehow killed mine between cleaning the underside of the motor (to try and find an oil leak) and doing some wiring of a gauge (through the tunnel) My car is modified with carbs and the wiring has been redone underneath - basically all of the wires running to the starter are "RED" - I am going to check the solution under the seat...i already replaced the relay and i have a new ground strap.

Does anyone have a wiring diagram / schematic on where the different leads are going, etc...just trying to trace it all back and understand where everything goes...any help or guidance is appreciated.

I ran the car for quite some time to "dry it" after cleaning and i had no issues...next day it wouldn't start...starter doesn't turn at all

Thanks

Attached is what the setup looks like - Relay is under the car, which seems odd to me...

[lierofox]

Attached is what the setup looks like - Relay is under the car, which seems odd to me...

Oh wow, yeah...that's pretty odd. The yellow lead should plug right into the starter like so:
(IMG:http://www.914world.com/bbs2/uploads_offsite/i.imgur.com-18880-1559589829.1.png)

The terminal on the starter is the solenoid terminal and acts as a relay of sorts already, that external relay is just adding an extra point of failure. Some definite Department of Redundancy Department stuff going on right there, unless, somehow, the yellow wire is so high resistance that it can't properly trigger the solenoid in the starter, but can trigger the relay coil. (The wire comes from the key switch, to the under-seat relay, to the engine bay relay board, and then finally to the starter solenoid.)

My guess would be that water got into that relay. I'd try pulling the yellow wire's spade connector out of that relay, and hooking it into the spade connector on the starter and see if it starts with the wire hooked up there instead.