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| Revision as of 08:31, 20 November 2012 ddgonzal (Talk | contribs) (->Automatic Choke Relay) <- Previous diff |
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| [[Category:Charging System]] | [[Category:Charging System]] | ||
| [[Category:Wiring]] | [[Category:Wiring]] | ||
| - | + | Early 1200 use [[Alternator]] with external [[Voltage regulator]]. Later 1200 (from 1989) use an Internally Regulated (IR) Alternator. | |
| - | Our Datsun B110 used -- as with most 1964-1974 cars -- an [[Alternator]] with external [[Voltage regulator]]. | + | |
| = Overview = | = Overview = | ||
| [http://datsun1200.com/modules/myalbum/photo.php?lid=23630 http://datsun1200.com/uploads/thumbs/23630.jpg] | [http://datsun1200.com/modules/myalbum/photo.php?lid=23630 http://datsun1200.com/uploads/thumbs/23630.jpg] | ||
| + | |||
| + | = Early 1200 = | ||
| + | Our Datsun B110 used -- as with most 1964-1974 cars -- an [[Alternator]] with external [[Voltage regulator]]. | ||
| '''Alternator Connections''' | '''Alternator Connections''' | ||
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| F Field - stem of Tee | F Field - stem of Tee | ||
| N Nuetral point - head of Tee | N Nuetral point - head of Tee | ||
| + | |||
| + | |||
| + | |||
| + | = Late-model Alternator = | ||
| + | Datsun 1200 from 1981 (Japan-market models) use an alternator with [[LR135|internal regulator]]. | ||
| + | |||
| + | [http://datsun1200.com/modules/myalbum/photo.php?lid=24517 http://datsun1200.com/uploads/photos/24517.jpg] | ||
| + | |||
| + | [http://datsun1200.com/modules/myalbum/photo.php?lid=24524 http://datsun1200.com/uploads/photos/24524.jpg] | ||
| + | |||
| + | Black: earth/ground | ||
| + | White: battery via Fusible Link (large wire) | ||
| + | White/Red: dash CHG lamp | ||
| + | While: battery via Fusible Link (small wire) | ||
| = How the Alternator Dash Light Works = | = How the Alternator Dash Light Works = | ||
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| * When the alternator is not putting out current, the "L" terminal is at '-' voltage, so the dash light turns on | * When the alternator is not putting out current, the "L" terminal is at '-' voltage, so the dash light turns on | ||
| * Once the alternator starts putting out current, the "L" terminal is at + voltage, so the light turns off (both sides of the light are at +) | * Once the alternator starts putting out current, the "L" terminal is at + voltage, so the light turns off (both sides of the light are at +) | ||
| - | |||
| This also is connected to the F (field) connection of the alternator, so it "turns on" the alternator. It is the switched 12V (through the lamp) that kick starts the alternator fields. | This also is connected to the F (field) connection of the alternator, so it "turns on" the alternator. It is the switched 12V (through the lamp) that kick starts the alternator fields. | ||
| Line 47: | Line 62: | ||
| See main article: [[Electric Choke Wiring]] | See main article: [[Electric Choke Wiring]] | ||
| - | |||
| - | = Late-model Alternator = | ||
| - | Datsun 1200 from 1981 (Japan-market models) use an alternator with [[LR135|internal regulator]]. | ||
| - | |||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=24517 http://datsun1200.com/uploads/photos/24517.jpg] | ||
Revision as of 09:12, 20 November 2012
Early 1200 use Alternator with external Voltage regulator. Later 1200 (from 1989) use an Internally Regulated (IR) Alternator.
Contents |
Overview
Early 1200
Our Datsun B110 used -- as with most 1964-1974 cars -- an Alternator with external Voltage regulator.
Alternator Connections
| terminal | Color | Logical Connections |
| A (Alternator) | WR or W | * To Battery + terminal through the Fusible Link * To Regulator "A" terminal (W wire) |
| F (Field) | WB | * To Regulator "F" terminal |
| N (neutral point) | Y | * To Regulator "N" terminal * To electric choke relay Y wire |
| E (Earth/ground) | B | * To body ground * To Regulator "E" terminal |
Regulator Connections
| terminal | Color | Logical Connections |
| A (Alternator) | W | * To Alternator "A" terminal (WR or W) |
| F (Field) | WB | * To Alternator "F" terminal |
| N (nuetral point) | Y | * To Alternator "N" terminal * To electric choke relay Y wire |
| E (Earth) | B | * To body ground * To Alternator "E" terminal |
| IG (ignition) | WL (72: W?) | * To fuse box "M" terminal (does not go through IGN switch) |
| L (Light) | WR | * To dash light "IGN" ('72, '73) or "CHG" (1971) |
Hitachi LT-series uses the typical 1970s Hitachi T-shaped connector:
F Field - stem of Tee N Nuetral point - head of Tee
Late-model Alternator
Datsun 1200 from 1981 (Japan-market models) use an alternator with internal regulator.
Black: earth/ground White: battery via Fusible Link (large wire) White/Red: dash CHG lamp While: battery via Fusible Link (small wire)
How the Alternator Dash Light Works
The dash lamp is connected to IGN +. The other side goes to the "L" terminal of the external regulator.
- When the alternator is not putting out current, the "L" terminal is at '-' voltage, so the dash light turns on
- Once the alternator starts putting out current, the "L" terminal is at + voltage, so the light turns off (both sides of the light are at +)
This also is connected to the F (field) connection of the alternator, so it "turns on" the alternator. It is the switched 12V (through the lamp) that kick starts the alternator fields.
WARNING: This mean that if the dash lamp is burned out, the alternator does not work
Automatic Choke Relay
On Datsuns equipped with an electric Automatic Choke, a relay is used so that the choke heater is activated only when the engine is running.
See main article: Electric Choke Wiring