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| There are three basic type of Datsun alternator, each with their own wiring system. | There are three basic type of Datsun alternator, each with their own wiring system. | ||
| - | * Early Datsun Alternator (4-pin rectangular connector) | + | * 1960s Datsun Alternator (4-pin rectangular connector) |
| * 1970s Datsun Alternator (2-pin T-connector with external Regulator) | * 1970s Datsun Alternator (2-pin T-connector with external Regulator) | ||
| * 1980s Datsun Alternator (2-pin T-connector with Internal Regulator) | * 1980s Datsun Alternator (2-pin T-connector with Internal Regulator) | ||
| - | = Early Alternator = | + | = 1960s Alternator = |
| - | From the introduction of the Datsun with alternator (circa 1966), it used a Hitachi type with a 4-spade rectangular connector. There were equivalent Mitsubishi versions also. | + | From the introduction of the Datsun with alternator (circa 1966), it used a Hitachi type with a 4-spade rectangular connector. As usual with Datsun there equivalent Mitsubishi-sourced versions too. |
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| It is possible to use a different type alternator in your Datsun than what it was designed for. But you need to make slight modification to the wiring. | It is possible to use a different type alternator in your Datsun than what it was designed for. But you need to make slight modification to the wiring. | ||
| - | == IR Alternator In Older Car == | + | == IR Alternator In Older Datsun == |
| - | This is very do-able and quite simple. For detailed information, see [[Hitachi_LR_Alternator#Wiring]] | + | This is very do-able. Hitachi IR alternators are more reliable and sometimes less expensive. |
| - | == Older Alternator in Newer Car == | + | === Datsun With FN Harness === |
| + | Fitting an internally-regulated alternator to a Datsun originally equipped with FN wiring is quite simple. It only requires two jumper wires. | ||
| + | |||
| + | For detailed information, see [[Hitachi_LR_Alternator#Wiring]] | ||
| + | |||
| + | === Datsun With 4-pin Harness === | ||
| + | Fitting an internally-regulated alternator to a Datsun originally equipped with FN wiring is quite simple. It only requires two jumper wires. | ||
| + | |||
| + | == Older Alternator in Newer Datsun == | ||
| For Datsuns originally fitted with internally-regulated alternators, it is not recommended to fit an older alternator, as the IR alternators are generally less expensive and more reliable. | For Datsuns originally fitted with internally-regulated alternators, it is not recommended to fit an older alternator, as the IR alternators are generally less expensive and more reliable. | ||
| You will need to create a sub-harness with wiring for an external voltage regulator. New Voltage Regulators in USA generally cost more than an internally-regulated Alternator! | You will need to create a sub-harness with wiring for an external voltage regulator. New Voltage Regulators in USA generally cost more than an internally-regulated Alternator! | ||
Revision as of 05:37, 10 May 2012
There are three basic type of Datsun alternator, each with their own wiring system.
- 1960s Datsun Alternator (4-pin rectangular connector)
- 1970s Datsun Alternator (2-pin T-connector with external Regulator)
- 1980s Datsun Alternator (2-pin T-connector with Internal Regulator)
Contents |
1960s Alternator
From the introduction of the Datsun with alternator (circa 1966), it used a Hitachi type with a 4-spade rectangular connector. As usual with Datsun there equivalent Mitsubishi-sourced versions too.
1970s Alternator
From about 1970-1978 (in USA market), Hitachi type LT alternators were used. There were also equivalent Mitsubishi units which are interchangeable. These feature the famous 2-pin T-connector with external Regulator.
These use FN wiring. They have F and N cast into the back cover. An external Voltage regulator is required.
See main article: Alternator Wiring
35A units have plastic bits
The larger 50 and 60A units have no plastic parts
1980s Alternator
From about 1979 (in USA market), Hitachi type LR alternators were used. There were also equivalent Mitsubishi units which are interchangeable. These feature the famous 2-pin T-connector BUT use no external Regulator. They are internally regulated, which makes them more reliable as they use an IC (solid state) regulator.
These use LS wiring. Some has L and S cast into the back cover, but some are unmarked.
See main article: Hitachi_LR_Alternator#Wiring
Mixing and Matching
It is possible to use a different type alternator in your Datsun than what it was designed for. But you need to make slight modification to the wiring.
IR Alternator In Older Datsun
This is very do-able. Hitachi IR alternators are more reliable and sometimes less expensive.
Datsun With FN Harness
Fitting an internally-regulated alternator to a Datsun originally equipped with FN wiring is quite simple. It only requires two jumper wires.
For detailed information, see Hitachi_LR_Alternator#Wiring
Datsun With 4-pin Harness
Fitting an internally-regulated alternator to a Datsun originally equipped with FN wiring is quite simple. It only requires two jumper wires.
Older Alternator in Newer Datsun
For Datsuns originally fitted with internally-regulated alternators, it is not recommended to fit an older alternator, as the IR alternators are generally less expensive and more reliable.
You will need to create a sub-harness with wiring for an external voltage regulator. New Voltage Regulators in USA generally cost more than an internally-regulated Alternator!