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ECM Battery Replacement
Does anyone know if the 3.5 Volt battery inside the ECM is case positive or case negative. Don’t want to remove the ECM twice just to check it before I order the battery. Two versions of the same battery are available so just though someone else might have undertaken this task before.
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4 Replies
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Don’t know and wonder how many have to replace the battery. Sold my coach a couple months back and ECM battery was 30 years old. Never had to replace and never any problems. . I’d call Prevost Service and think they would tell you.
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You have a series 60 call a Detroit diesel dealer ,see what they say .
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Thanks guys…
1984 96" with 8V92TA
(remodeled Liberty Coach)
Greenwood, MO -
I’d suspect it to be case negative. Easiest way to avoid mismatch might be to order both types.
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