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toyotaspeed90's avatar
toyotaspeed90
Explorer
May 23, 2013

Battery Isolator - doing exactly what it should shouldn't?

So this is a relatively new vehicle to me. The wiring is somewhat nightmare'ish... both from the factory and from what others have done. 1984 E350 Fleetwood Jamboree. 2 batteries, an isolator, ...
Class C
YC_1's avatar
YC_1
Nomad
May 29, 2013
As suggested if you have the original charger it may be 3 amps. It took me some time to discover that on my 89. I used a portable charger at the time but changing the existing one out to a smarter one that charges better would be a good investment. I installed a sealed battery under the sink as a secondary.

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