RTV, unless specified for electronics, isn't ideal at the best of times. The acetic acid curing type is corrosive to current carrying metals. But with some parts it's OK because the electronic components are potted (embedded in an electronics-safe compound).
'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]