Quote:
Originally Posted by t_g_farrell
1. The tach gets it signal from the leading ignitor. If the lead isn't hooked up that would explain it. Pull the elect. diagrams to verify the lead thats required.
1 & 2 & 3 & 4 May be related to the solenoid over by the clutch master. It controls the idiot lights
and may be not turning them off? Something to check.
4. You should be seeing over 12 volts when idling and up to 14 volts at higher rpms. The 79 has an external regulator so you may need to look into it to make sure its working correctly. Its also over on the fender by the clutch master.
All this aside, it was delivered via a truck? Maybe some connections vibrated loose. I'd
look around in the bay for any dangling connections.
You could post up some pics and maybe get some help by crowd sourcing on here.
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I'll take some pictures later today. I verified the tach signal is from the lead igniter (Y/G wire) and it is plugged in. The fact that I'm seeing less than 12V with the car running at the battery and alternator makes me think something's up. Perhaps something in regulator got shaken loose since it was delivered by truck. There are a couple disconnected connectors over by the clutch master and I was able to identify and reconnect one: the brake fluid level sensor. I'm not familiar with the solenoid you mentioned. If it controls the idiot lights it could be the culprit since all the lights in question usually get switched off after the car is started. Right now the only ones that go off are the "brake" and "seatbelt" lights.