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[Datsun 1200 encyclopedia]

Fuse Box

From Datsun 1200 Club

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Category: Body Electrical System

In addition to the main fuse wire (Fusible Link) in the engine compartment, there is a main fuse box under the dashboard.

Contents

Overview

1972 USA Owners manual (Page 35 ... ):

th_00_cover.jpg   th_35.jpg
If a fuse needs to be replaced, refer to the specifications listed on the fuse box cover.

23310.jpgAlbum click to view

Fuses
B110 uses the standard cylindrical fuses used by all cars until around 1980. The numbers are:

Nissan 25461-89901 or 08941-11000 FUSE (10A)
Nissan 25415-89900 or 08941-11500 FUSE (15A)

AGC Type (All Glass, C length 1.25 inch), 1/4" diameter (approximately 6mm diameter x 30mm long). SFE20 type is the same.

IG: Ignition Switch Circuit 
> only HOT when key is in IGN position
* 'W' 15 AMP Wiper, Washer, Heater
* 'M' 10 AMP Meter, Reverse Lights, Alternator Regulator
Battery/Alternator Circuit
> always HOT
* 'L' 15 AMP Head Lamp
* 'PT' 10 AMP Park lights, Tail lights
* 'C' 15 AMP Radio, Clock, Cigarette lighter, Room lamp
* 'H' 15 AMP Horn, Stop lights, Hazard lights

There are also two empty holes in the fuse box to hold two spare fuses.

23313.jpgAlbum click to view 23312.jpgAlbum click to view

Location

It is located under the dash above the driver's right knee. It is bolted to a bracket on the bottom of the dash frame:

LHD
23311.jpgAlbum click to view 23278.jpgAlbum click to view

Late Model
23319.jpgAlbum click to view 23318.jpgAlbum click to view

Variations

#1 Buy at BProjects
15A 10A (with HEAD LAMP fuse marking) 
15A 15A
10A 15A
23312.jpgAlbum click to view Original type
#2
(2nd source - up to '71-Mar)
___ no HEAD LAMP fuse
15A 15A
10A 15A
25765.jpgAlbum click to view GL,GX type
#3 (620 type: headlamp changed to 20A)
20A 10A (if used in a 1200, change to 15A HEAD LAMP fuse)
15A 15A
10A 15A
25767.jpgAlbum click to view 620 type

Late Ute

Utes from 1982 feature rectangular fuses. Also eliminates the plug-in connectors on the back of the fuse box, which was a problem spot in older 1200s (now the harness wires go directly to the individual fuses, whereas formerly they ended at large spade connectors).

23308.jpgAlbum click to view 23320.jpgAlbum click to view

8110-8910 Variation 1
8910-     Variation 2

The "ENGINE CONTROL" fuse was also used by B310 and other 1980s Datsuns. It is the main Ignition-switched feed for the engine harness. Feeds the vacuum cut, fuel cut, and auto-choke relay.

Australia
26850.jpgAlbum click to view 26851.jpgAlbum click to view 26852.jpgAlbum click to view

1982-1989

8110-8910 Variation 1 24311-G1900
24311-G1900.jpg 27517.jpgAlbum click to view

IGNITION イグニッション
 10A COIL イグニッション コイル
 10A ENGINE CONTROL インジン コントロール
 10A METER REVERSE メーター バックランプ
 ---
ACCESSORY アクセサリー
 15A RADIO HEATER WIPER ラジオ ヒーター ウイパー
 15A LIGHTER シガ ライター
BATTERY バッテリー
 10A FLASHER フラッシャー
 10A TAILLAMP ROOMLAMP テールランプ ルームランプ
 15A HORN STOPLAMP ホーン ストップランプ
 15A HEADLAMP ヘッドランプ
指定した容量以外ノヒューズは入れないで下さい。
Please do not use other than specific capacity fuse.
G1900


24311-G1900.jpg

1990-1994

95W type (late square fuse type)
24311-95W00 COVER,FUSE BLOCK
25772.jpgAlbum click to view
IGNITION
 [ ]
 10A Ignition Coil
 10A Engine Control
 10A Meter BackLamp
ACCESSORY
 15A Radio Heater Wipers
 15A Cigar Lighter
BATTERY
 10A Flasher
 10A TailLamp RoomLamp
 15A Horn StopLamp
 15A HeadLamp
Please do not use other than specific capacity fuse. 24311 95W00
Fuse ??? ->

22119.jpgAlbum click to view

Troubleshooting

See main article: Blown Fuse

Wiring

19667.jpgAlbum click to view

The instrument panel wiring harness has individual connectors to the Fuse Box:
23314.jpgAlbum click to view 23315.jpgAlbum click to view

Battery Feed

BATTERY FEED powers L, PT, C and H fuses
Wiring_Battery-Feed.jpg

15A L Fuse:
* Light Switch (head lamp circuit)
Wiring_L.jpg
10A PT Fuse:
* Light Switch (park & tail light circuits)
Wiring_PT.jpg
15A C Fuse:
* Cigarette Lighter
* Radio
* Clock
* Room Lamp
Lighter_Wiring.jpg
15A H Fuse:
* Horn
* Stop Lamps (brake lights)
* Flashers (turn signals)
Wiring_H.jpg

Ignition Feed

IGNITION FEED powers M and W fuses
Wiring_Ignition.jpg

10A M Fuse: 
* Voltage Regulator
* Instrument Panel Gauge Regulator
* Brake Lamp
* Oil Pressure Lamp
* Charge Lamp
* Reverse Lamp
* Hazards
Wiring_Meter.jpg
15A W Fuse:
* Wiper
* Washer
* Heater
Wiring_W.jpg

Fusible Link

The Fusible Link ("Main Fuse") connects to the POS battery terminal about six inches from the battery. The fusible link is a special length of wiring that will melt if its rating is exceeded and is there to stop the electrics if the car is drawing too much power, like an open short circuit.

See main article: Fusible Link

16498.jpg

Cleaning

If your fuse box gets HOT or starts melting (but the fuse does not blow), then remove the fuse box and CLEAN it. Soak it in vinegar for 10 minutes.

Or if you are getting electrical equipment not working, clean the fuse box.

Why? Dirty connections cause undue resistance, eventually leaking to this:
IMG_1220.jpg
The reason that fuse lead is getting hot is because of resistance. This is pretty common with old-styled glass fuse boxes. You get resistance at either the fuse itself, or the connection between the fuse and the terminal - along with whatever other resistance is present in the wiring. The corrosion is at the fuse box connections, which is why it gets hot, and why it melts.

  1. Disconnect the battery
  2. Remove all the wires from the fuse box (take a photo first, or write down carefully wire goes where). Mark each wire with a piece of tape.
  3. Take the Fuse Box in the house and soak it. Fill a small bowl with distilled white vinegar from the grocery store. Soak for 10 minutes.
  4. Rinse with water with a little Baking Soda mixed in -- this will nuetralize the acid from the vinegar. Then rinse with plain water
  5. Let dry thoroughly/overnight
  6. Put a little dielectric grease (a LITTLE not a LOT) on each copper terminal (front and back of fuse box). This will help prevent moisture corrosion

Part Numbers

B110

B110: 6-FUSE BOX -- Buy at BProjects
25410-H1000 BLOCK-FUSE
B5415-H1000 COVER-FUSE BLOCK

23316.jpgAlbum click to view 25768.jpgAlbum click to view 25769.jpgAlbum click to view 25770.jpgAlbum click to view 25771.jpgAlbum click to view

25410-H1100 ASS'Y-BLOCK, fuse (2 系統)(up to '71-Mar) GL,GX [no HEAD LAMP fuse]
B5415-H1100 COVER-fuse block (2 系統)(up to '71-Mar) GL,GX [no HEAD LAMP marking]
NILES FB206N-1 set

FB206N-1a.jpg FB206N-1b.jpgFB206N-1c.jpg 16900.jpgAlbum click to view 16901.jpgAlbum click to view

25410-B5102 BLOCK-FUSE
08510-51212 SCREW, fixing fuse box (2)
08915-13510 WASHER-SPRING, fixing fuse box (2)
25461-89901/08941-11000 FUSE (10A)
25415-89900/08941-11500 FUSE (15A)

620

Datsun 620 USA FUSE BOX
25410-H1000 -0746
25410-B8000 0974-0476
25410-B8001 0576-0776
25410-B8002 0876-0877
25410-B8060 0878-

14924.jpgAlbum click to view 23309.jpgAlbum click to view

* Original Manufacturer: NILES brand No. FB 206N
* Fits B110 and 620. If used in B110, a 15A headlamp fuse should be fitted

B210

B210
* 25410-H6200 ASSY-BLOCK FUSE -0974
** 25411-H6200 COVER-FUSE BLOCK -0974
* 25410-H7200 ASSY-BLOCK FUSE (YAZAKI) 1074-
** 25411-H7200 COVER-FUSE BLOCK (YAZAKI) 1074-
* 25410-H7205 ASSY-BLOCK FUSE (SUMITOMO) 0476-
** 25411-H7205 COVER-FUSE BLOCK (SUMITOMO) 0476-

B310

B310: 8-FUSE BOX
08941-12000 20A FUSE
* 25410-W5801 USA BLOCK ASSY-FUSE
  25411-W5801 USA COVER-FUSE BLOCK
* 25410-H9400 JDM BLOCK ASSY-FUSE
  24511-H9400 JDM COVER-FUSE BLOCK
* 25410-W5001 JDM BLOCK ASSY-FUSE YAZAKI
* 24511-W5001 JDM COVER-FUSE BLOCK YAZAKI

22457.jpgAlbum click to view 22458.jpgAlbum click to view

17554_57ff3cce7e8e8.jpgPost click for topic 20120526155951DSC01716.jpg

1200 Truck

B120: 6-FUSE BOX
* 25410-G1600 BLOCK ASSY-FUSE -7709
* 25410-G1601 BLOCK ASSY-FUSE 7710-7801
* 25410-G1660 BLOCK ASSY-FUSE 7802-8109
B120: 10-FUSE BOX w/Rectangular fuses
* 24310-G1900 BLOCK ASSY-FUSE 8110-8910
* 24311-G1900 COVER-FUSE BLOCK 8110-8910

23323.jpgAlbum click to view 25028.jpgAlbum click to view 25029.jpgAlbum click to view 24311-G1900.jpg 24013-G1900.jpg 24013-G1900_closeup.jpg

* 24310-95W00 BLOCK ASSY-FUSE 8910-
* 24311-95W00 COVER-FUSE BLOCK 8910-

23308.jpgAlbum click to view 23320.jpgAlbum click to view

History

B10: 4 fuses
22460.jpgAlbum click to view

B110: 6 fuses
23313.jpgAlbum click to view

B210: 8 fuses
22459.jpgAlbum click to view

B310: 8 fuses
23321.jpgAlbum click to view

B11: Rectangular 16 fuses
23306.jpgAlbum click to view

B120 1982: Rectangular 10 fuses
23317.jpgAlbum click to view

Aftermarket Fuse Box

4193.gifAlbum click to view

4891.jpgAlbum click to view

ヒューズ ボックス 箱のヒューズ (フューズ ボックス)

サニトラヒューズボックス 

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