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1973 2000 GTV
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Discussion Starter #1
Well I know apparently papajam is the man to ask. Only problem is it looks like he hasn’t been seen around here in over a year. I’m really hoping to track down a color wiring diagram for a 73’ GTV Spica. I don’t know who may have contact info for papajam or maybe who’s taken the mantle from his expertise. But anyone that could help would be greatly appreciated.
 

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You’ll have to ask previous recipients for help, Jimmy (papajam) is no longer with us.
 

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Yes, sadly Papajam is in the big racing circuit in the sky speed shifting his GTV with a smile no doubt. I have his ‘73 wiring diagram. It’s different than the ‘74 that was recently posted due to the lack of the seat belt interlock. Just PM me for the file (Papajam had requested these diagrams not be posted on the BB and we continue to respect his request).
 

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Weren't all the diagrams on a sticky post? I have the 71 diagram that he sent me back in the day. Couldn't live without it.

Sent from my SM-N981U1 using Tapatalk
 

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Weren't all the diagrams on a sticky post?
 

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1973 2000 GTV
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133 Posts
Discussion Starter #8
So, just to show how incompetent I am. I seem to be struggling with the ignition coil wiring. Rebuilt the distributor and installed new coil. Still no spark despite power into the coil. Clearly I need to quit drinking or I’m just an idiot. Any insight?


73 GTV, I’ve got a green/black wire straight from ignition to +

green wire straight from - to distributor.

what am I missing? There’s a green and yellow wire that comes out of the same harness as the ignition wire but no diagram I can find has a green/yellow wire on it for a 73 Spica GTV. There’s also an orange wire coming off the spica pump to what appears to be a barometric sensor or thermometer of sorts mounted in the bay

1654223

1654225

1654226
 

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You’re missing a wire to the diode. It allows current to flow in only one direction (from the cold start solenoid to the positive terminal on your coil) when the starter is engaged.

The coil won‘t discharge when the starter is engaged without completing this circuit. There should be a red 16ga wire from the starter solenoid to the diode landing on the connector (towards the flat side of the triangle diode symbol where the male connectors are located). The other terminal (on the pointed side of the symbol) is connected to the positive terminal of your coil.
 
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