no current in plymouth

Hello together, today I installed my ignition cable and carburetor on the plym satellite in 1972 and filled up fluids, and then wanted to turn the motor briefly (wire from ignition coil to distributor I left out) had my battery charged and built in. ignition keys turned, nothing happened, no noise, zero! lights + flasher worked, didn’t go. I took another battery for the test, also no success. I measured from the plus pulse of the battery to the starter, came 11,4v. before I revised the engine everything went without problems. I looked briefly into the security box and at first glance did not see any defective security, I have not measured it yet. where should I start with the error search? if the battery is connected, should at least light+blinker work. I went through the wiring several times, but could not discover anything. there are certain places I should measure, or something like a “haup” if someone has a Wiring-diagram I would also be grateful! thanks already for all tips and pointing out! greetings tom