Honda S2000 engine installed in kit car. How do I wire alternator
I am using a Ford wiring loom and find that the Honda alternator has 4 "control" wires where as the Ford altrnator has only 2.
The Honda alternator plug cables have the following code:-
Can you inform me how I wire in the Honda alternator?
Re: Honda S2000 engine installed in kit car. How do I...
Unfortunately the Honda alternator is regulated by the ECU, which allows the ECU to intelligently reduce alternator engine loading to improve fuel consumption. The intelligent system uses an electrical load detector (ELD) located near the battery to control the alternator output voltage. A two wire alternator has an inbuilt regulator that will always generate the required charging voltage. When a battery is fully charged and the electrical loading is low there is no need for generating the charging voltage, in this situation the honda alternator will reduce the output voltage to reduce engine loading, hence improved fuel economy.
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There are three wires that connect to the alternator: ORN to the field terminal, WHT/BLK to the stator terminal, and BLK/ORN to the battery terminal. The female spade must connect to a male spade on the alternator.
There is a Ford Technical Service Bulletin and Ford Repair Harness Connector Kit that may be your problem.
Article No. 96-21-4
CHARGING - GENERATOR DISCHARGE - LOOSE OR WEAK CONTACT AT GENERATOR HARNESS CONNECTOR
WIRING - GENERATOR HARNESS CONNECTOR DAMAGE - LOOSE OR WEAK CONTACT
FORD: 1985-90 ESCORT, TEMPO
1986 TAURUS 1986-90 CROWN VICTORIA 1987-92 THUNDERBIRD 1987-93 MUSTANG LINCOLN-MERCURY: 1985-87 LYNX 1985-90 TOPAZ 1986 SABLE 1986-90 GRAND MARQUIS, TOWN CAR 1987-92 COUGAR LIGHT TRUCK: 1985-90 BRONCO II 1985-91 AEROSTAR 1986-91 ECONOLINE 1986-92 RANGER 1986-93 BRONCO 1986-94 F-150-350 SERIES
This TSB is being republished in its entirety to update the Service Procedure outlined in the Action. ISSUE: When a generator fails, there are a few failure modes that may cause heat to be produced at the wiring harness-to-generator connector. This excess heat may damage the female terminals on the wiring harness, resulting in increased resistance. The increased resistance produces more heat. When the generator is replaced, the resistance produced by a damaged connector may damage the new generator and could result in a repeat repair, including installation of another generator. High resistance (caused by a damaged connector) will not go away until the damaged connector is replaced. ACTION: Visually inspect the harness-to-generator connector for damage (heat, corrosion, distortion and cracking) before installing a new generator. Install the Generator Wiring Harness Connector Kit (E5AZ-14305-AA) if the harness-to-generator connector is damaged.
The Generator Wiring Harness Connector Kit (E5AZ-14305-AA) contains the following:
One (1) Red Wire **** Connector
Two (2) Yellow Wire **** Connectors
One (1) Wire Connector Assembly
One (1) Instruction Sheet (I.S. 6849) PART NUMBER PART NAME
sorry to say when you cobble engines and wire harness, there are now diagnostic procedures in any book or manual, there are to many things that could be different. even one wire wrong in a wire loom can impossible to figure out...
There is usually a Kit in a plastic package that comes with the truck. You may find the kit in the Jack sleeve under the Passengers front or rear seat. This Kit can have additional Flashers that go under the hood in a relay box, and a wiring "Stub" for Electric brake controls. They fit multiple applications.
My 1999 had a connector under the dash for Electric brakes if you are going to use them. You can check for a wiring loom under the rear frame of the truck, most come prewired. If you are going to need to add the actual plug-in, the newer Ford products have a dual fixture plug which can take anything.
Tractor Supply is good for aftermarket trailer accessories and if you want Factory parts and need wiring too there are bigger kits at the Dealer. The correct gauge wire is important.
Ideally, you could find a truck in a Salvage Yard, wrecked in the front or bad engine, with the bed missing. Then it would be easy pickings to strip the frame. Really would not matter if it was a Crew cab as you can bundle the slack.
Look under your truck for extra wiring, you may just need the Plug.
my 100a fuse in the fuse box under my bonnet keeps popping when i try to jump start my car :( i just bought a new fuse and a new batt but havnt fitted them yet as have to wait for them to come in, but could there be another fault?
The best, and in fact the only recommended solution is to use a plug-in dedicated wiring kit for this car, it plugs into a grey connector on the chassis on the rear of the left hand side. this is the connector that the cars rear light loom is plugged into and the towbar loom piggybacks onto this using the same watertight sealed connectors. There is a trailer indicator warning light already built into the dash display so no need for any other monitoring of the trailer functions. This wiring kit should cost you around £40-£50 and will only take around 10mins to fit. The other alternative is to solder the towbar wires to the cars loom, but this is time consuming and may invalidate the vehicles warranty.