Hi Sid im also older male in nc i have a 87 chevy truck and finely my unit is gone after 3 years, if monitec had to come out and replace units thats not your fault why would you pay any thing they came to my house only oncei didnt pay for it only reason for 20.00 fee is if you showed alcohol in your breath ,i had this thing in my vehicle for 3 years it has its problems i also had wiring issues lucky for me im a mechanic it knocked out my guages the day i upgraded to new unit ,dead battery funny thing i have 2 batteries in my truck what year is your truck let me know maby i can help Dave