I'd put a volt meter on it and see what you're getting out of it. See what it reads at your battery with the engine off, and with the engine running. Voltage should be around 12.8 volts with the engine off and around 13-14 volts with the engine running.

Richard <img src="/forums/images/graemlins/patriot.gif" alt="" />

Had an 89 Isuzu Pickup
Had a 94 Mitsubishi Eclipse
84 Honda XL185S
Had an 89 Isuzu Trooper w/ 3.4 V6
01 Toyota Tundra SR5 V8 4Door Access Cab
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