check engine light
 

so i was trying to get my truck ready to be smogged its an 86 ranger 2.3 i noticed the check engine light wasnt on. so i pulled everyting out and where its cut out to put in a bulb throught the cluster where a few are like that and the check engine light wasnt cut out yet??? so it looks like it was never equiped with a bulb..... anyone have any ideas?