SOURCE: Toyota HiAce 1988 alternator working no charge back to Battery
if it was me I would take the alternator off take it somewhere and have it tested because it sounds like it has a bad voltage regulator in it
SOURCE: How to wire up 1975 Ford Courier Alternator w/external regulator?
just put a one wire alt. on it.or test each wire.
SOURCE: 1987 Suzuki Samurai alternator wiring. No original wire harness
yes the b goes to the battery.
http://bbs.zuwharrie.com
heres the site for you.. we have all the answers.
http://www.acksfaq.com/diagram_color_86-88_sam.htm
i drew this up a while back. it could help you out alot.
SOURCE: replaced alternator on 1985 Ford Bonco 4X4 302
turn your vehicle on, disconnect the battery, both terminals(while truck is still on) if it dies on you, then either the alternator is bad or wiring is wrong. if it stays on, then you may have a bad battery or voltage regulator. Check the voltage on the battery before you turn it on(should be from 11.5v-12v), when you turn it on if the alternator if working properly you should have around 13v-14v.
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Fig. 2.5L Engine Firing Order: 1-3-4-2 Distributor Rotation: Clockwise
Fig. 3.9L Engine Firing Order: 1-6-5-4-3-2 Distributor Rotation: Clockwise
Fig. 5.2L and 5.9L Engines Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise
Fig. 4.7L Engine Firing Order: 1-8-4-3-6-5-7-2 Distributorless Ignition
Fig. 8.0L Engine Firing Order: 1-10-9-4-3-6-5-8-7-2- Distributorless Ignition
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I have a Guest Battery Isolator 2403 in my catamaran. It manages both engine's alternators' power and distributes it to the starter batteries as well as to the house bank. Looking at it one would think that the central terminal is for the house bank since it is a bit lower than the other two battery connections, but that is not so, although it could be used as such. Terminal 3 is for the house bank. Terminal 1 is for the Starter Battery and the Alternator 1 terminal above and to the right of it is for that engine's alternator. It is important to disconnect the alternators from their respective starter solenoids, otherwise the isolator will be bypassed. The central and lowest terminal is for Starter Battery 2 and above and to the right of is the corresponding Alternator 2 terminal. On the far right is the terminal for Battery 3. That Battery bank receives power from either or both alternators. The Isolator prevents a battery that is relatively discharged from draining other batteries and gives it preferential charging from the alternator with less of a voltage drop than from a switch. Using a multi-tester to check the diode connection will show that Alt 1 feeds Bat 1 as well as Bats 2 & 3. Because of this it can charge three different batteries. Alt 2 just feeds Bat 2 as well as Bat 3. Reversing the probes will get no reading because the diodes are one-way. In the same way there is no connection between the two Alt terminals. However, there is a one-way connection from Bat 1 to both Bat 2 and Bat 3. The Isolator 'may' choose to charge the weakest battery of the three, but it will not take energy from the others because they are "isolated". Moving the test to between Bat 2 and Bat 3 there is no connection. So, to see this for yourself, bench test the isolator and draw your own wiring diagram before you install it. If you have two engines with different alternators, wire the stronger to Alt 1, and the same goes for just one alternator and 3 batteries. If this was confusing, then go to: http://cruisermarine.com/files/manuals/2...
I found this onhttps://sbo.sailboatowners.com/ where it was graciously posted. I did not know of this forum before.
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