66 Impala Wont Start after Guage Trio Install!!
I am new to the forum, I need your help please. I appreciate any advice.
I installed a new gauge trio, oil, volts, and temp. Before the install the car started fine, ran well, I even did a full tune up on it, oil, transmission fluid, plugs, coolant.
I noticed a dummy light hooked up to the coolant temp sending unit before I installed that. (+) line to the dummy light ran from the fuse box "ignition fuse", and then another line was ran to the coolant temp sending unit. I removed this.
I also removed the original oil sending unit and plug wire that was attached to install the new line to the gauge.
For the voltmeter, I ran the positive wire that was used for the dummy light to the (+) prong, and wired ALL ground wires to incude the prong wire for (-) to a nother ground wire installed under the dash, or at least I think it is, its touching bare metal. I ran the white wires for the lights to the fuse box "head lamps" so when I pull my light switch, they turn on and I can adjust the brightness.
When I turn the key to the on position, I have power. Lights are on, voltmeter, reads about 12.2, everything seems normal. I went to start, and the engine would not fire. It keeps trying, but just will not catch fire it seems. I have tested the battery, alternator, and starter, ALL are fine.
Pulled out the plugs I put in just days ago and they were sort of sooty and black, the car runs rich, needs a carb adjustment, but I cant assume they went bad in a few days.
Spoke to my father who has been around cars like this his whole life. He said those cars didn't have guauges but they were designed to not start if you lost oil pressure, or kill the motor. So install the old sending unit, wire that back up and see if it starts. I did this, it still has not worked.
I am out of ideas, can someone please help!!