if the relay will not click check for voltage @ the small yellow wire on the realy when the key is turned to start , if no voltage you have a problem either at the bulkhead connector or column connector , clean them & coat with Di -electric grease , if you have power at the yellow wire & no click @ the relay the realy Is the problem , if the relay clicks & the starter doesn`t run you have a problem with the + cable to the starter , the brown wire to the starter solinoid or the - battery cable