I installed 3 new micro relays in my 90 model. Here is the part #NTE R46-5012-6, these are rated at 12 amps. The OEM ones were just 5 amps.
If you have a soldering Iron, solder and a bit of skill you can replace them quite easily.
Diagnosis - Temp fixundrwlmd on the other board actually used this when stuck in Boise
http://web.ncf.ca/ag136/jBoxDiagnosis.htm
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