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Re: 90 EF, intermittent battery light and jumpy tach
1st thing i would check is the battery wire on the alternator. they can come loose and cause those problems. next would be to check all of the grounds around the engine. then check voltage with the car running and see if the alt is the problem.
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Re: 90 EF, intermittent battery light and jumpy tach
its prob the ignition switch. its the only common link between all your symptoms
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Re: 90 EF, intermittent battery light and jumpy tach
Originally Posted by DrSeuss
check to make sure your not getting a voltage drop across your grounds.
Should be putting out 14v when charging. Make sure none of the wires to from the alternator are getting hot during normal operation. Thats about all i can think of. If you wanted to check your battery lights functionality, slap a charger on the battery and see if the light goes out.
Originally Posted by ichbinsobose
you may have a ground wire someplace shorting itslef out, sounds like when my antenna wiring was grinding tislef against my trunk
also blew some fuses gave me the same symptoms, im sure its fuses |
Re: 90 EF, intermittent battery light and jumpy tach
Originally Posted by AccordX2Boost
It's almost certainly a grounding problem, even if all your grounding points are tight remove them and clean the connection. My accord would not even start one day (no turn over) because the grounds were bad, everything else came on normally. Also check your headlights wiring harness, they have ground on both sides of the car under the front bumper. make sure your battery connections are clean and tight, that causes some strange ---- sometimes. it couldn't be the ignition switch, or alternator. Also i don't know if your car has one but the accords have an ELD Sensor (electronic load detector) it controls what your alternator puts out and if it is loose or defective it will not work correctly. if your car has one it is located just over the fuse panel under the dash. (black box 3"L X 2"W X 1.5"H) Good luck.............
the jumpy tach usally is a bad ground on the thermostat housing, i have come across this many of times clean the conections wiht sand paper and redo the conection if needed , if u do voltage drop across the neg side toe the grounding points make sure they Ohm out...i have a wire gogin right from this connection to the neg terminal so it never gives me any more ----.... tha battey light flickering on off onn for a bit and then back off is a bad diod in the alternator get OEM cant go worng...or get a new one, yours should have a warrenty..i beleave that EF's dont have an ELD. it might be built into the voltage regulator in the ECU... hope this helps |
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