Used a muiltimeter to test all parts and ohm'ed out all parts. found out condenser fan motor seized up [open winding in motor] replaced that, and found that also caused the compressor overload and relay to fail, from over heating and over cycling, replaced both parts, powered up the refrigerator retested all electrical parts checked amp reading on all parts under load conditions,works good know, hope to get another 15 years out of this refrigator, its a maytag. over 20 years old.