As people have stated, it is a relay to connect the 2nd battery to the 1st when the alternator is charging. Known as a VSR (voltage sensitive relay) Simply cheap reliable option when a "smart"alternator is not involved.
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As people have stated, it is a relay to connect the 2nd battery to the 1st when the alternator is charging. Known as a VSR (voltage sensitive relay) Simply cheap reliable option when a "smart"alternator is not involved.
If you see oil on the plug that goes into the ECU,that means trouble is just around the corner[bigsad]Quote:
Originally Posted by 4runnernomore
Yours looks fine ATM[biggrin]