92 Dodge D150 would not crank off and on. Bypassed starter relay and it cranked until putting on new one. Now won't crank either way. What else could it be?

. See if this helps:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post235560

. Test all under hood and under dash fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post252145

. Check ignition switch for wear, pitting, or melting.