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B18B/B18A alternator question

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Old 05-05-2002, 12:47 PM
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Default B18B/B18A alternator question

Will a 1998 B18B ALTERNATOR bolt up to a B18A?

My friend is currently building a 98 hatch but he is having trouble with the alternator. he has a B18A from his old integra and a DRAG3 kit on it. he is using the 98 Civic harness and the alternator plug has 4 wires. the B18A alt has 3 wires with a totally different looking plug.
TIA
Old 05-05-2002, 04:03 PM
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Default Re: B18B/B18A alternator question (B_Cruz)

ttt
Old 05-05-2002, 06:18 PM
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Default Re: B18B/B18A alternator question (B_Cruz)

Somebody? anybody? everybody screammmm!
Old 05-06-2002, 10:05 AM
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Default Re: B18B/B18A alternator question (B_Cruz)

ttt
Old 05-06-2002, 01:48 PM
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Default Re: B18B/B18A alternator question (B_Cruz)

I'm pretty sure there are two grounds and you can get rid of one I forget which one I had the same problem when I swapped my b18b into my 96 civic ex. hope this gives ya some more info to help ya out
Old 05-06-2002, 04:40 PM
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Default Re: B18B/B18A alternator question (OneSunkCivic)

i think a b18a from a 92-93 integra (OBD-1)will have the same alternator as a b18b


[Modified by erniecars, 7:41 PM 5/7/2002]
Old 05-06-2002, 07:02 PM
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Default Re: B18B/B18A alternator question (erniecars)

I dont think it will work. They are the same size and have the same bolt pattern but the connectors are different.
Old 05-07-2002, 07:27 AM
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Default Re: B18B/B18A alternator question (erniecars)

car: 1998 DX hatch

motor: B18A

engine harness(motor to shock tower): 1998 Civic harness

so my friend can bolt up a OBD2 B18B alternater to the motor? i told him to use the 98 B18B alternater so the wiring plugs would match up. then i told him to use a OBD2-OBD1 jumper harness so he can use a OBD1 LS ecu. am I giving the right advice?
Old 05-07-2002, 07:29 AM
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Default Re: B18B/B18A alternator question (B_Cruz)

ive got one from a b18a on my b16 it fits no problems.
Old 05-10-2002, 10:22 PM
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Default Re: B18B/B18A alternator question (WAFFLES)

The alternator from my 97 B18b has a square plug so I traded them for a 91 LS alternator and it has a round plug and it worked...
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