Symbols, Fuses And Connectors; Multiple Fusible Link Replacement; Single Fusible Link Replacement; Fusible Link Repair - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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8W - 4
WIRING DIAGRAMS-ELECTRICAL
t o t h e b a t t e r y t e r m i n a l o f s t a r t e r relay, they are to
be serviced w i t h the same t y p e o f pre-fabricated fus-
ible l i n k .
A l l other fusible l i n k s are replaced w i t h a piece o f
fusible l i n k w i r e cut f r o m b u l k reels. Care m u s t be
t a k e n t h a t t h e same gauge a n d color w i r e as t h e
o r i g i n a l
fusible
l i n k
be used
(see Fusible
L i n k
C h a r t ) .
Multiple
Fusible
Link
Replacement
(1) Disconnect negative b a t t e r y cable.
(2) C u t o f f any r e m a i n i n g p o r t i o n of blown fusible
l i n k flush w i t h m u l t i p l e connection insulator, t a k i n g
care not t o c u t i n t o other fusible links.
(3) Remove 1 i n c h o f i n s u l a t i o n from m a i n harness
w i r e about 1 i n c h f r o m m u l t i p l e connection insulator.
(4) Remove 1 i n c h o f i n s u l a t i o n from one end o f
new fusible l i n k a n d w r a p i t around m a i n harness
w i r e t h a t was stripped.
(5) Heat splice w i t h a h i g h temperature soldering
g u n , apply r o s i n type solder u n t i l i t flows freely, and
remove soldering g u n . D o n o t use a c i d c o r e s o l d e r
(Fig. 7).
STRIP ONE INCH
INSTALL ANY
STRIP ONE INCH
OF INSOLATION
EXISTING
OF INSULATION
FROM BOTH WIRES
TIE WRAPS
FROM BOTH WIRES
(6) A l l o w to cool a n d w r a p new splice w i t h a m i n -
i m u m o f 3 layers o f suitable electrical tape.
Single
Fusible
Link
Replacement
(1) Disconnect negative b a t t e r y cable.
(2) C u t fusible l i n k i n c l u d i n g connection i n s u l a t o r
from m a i n harness w i r e .
(3) Remove 1 i n c h o f i n s u l a t i o n f r o m b o t h new fus-
ible l i n k a n d m a i n harness w i r e and w r a p together.
(4) H e a t splice w i t h a h i g h temperature soldering
g u n , apply r o s i n type solder u n t i l i t flows freely a n d
remove soldering g u n . Do n o t use a c i d c o r e s o l d e r
(Fig. 7).
(5) A l l o w to cool a n d w r a p new splice w i t h a m i n -
i m u m o f 3 layers o f suitable electrical tape.
SYMBOLS, FUSES AND CONNECTORS
V a r i o u s symbols a r e used o n w i r i n g diagrams.
These symbols can be identified b y r e f e r r i n g t o sym-
bol i d e n t i f i c a t i o n (Fig. 8)
For fuse identification refer to t h e fuse c h a r t .
CAUTION: When replacing a blown fuse, it is impor-
tant to replace it with a fuse having the correct am-
perage rating. The use of a fuse with a rating other
than indicated may result in a dangerous electrical
overload. If a proper rated fuse continues to blow, it
indicates a problem that should be corrected.
Fig. 7 -Fusible Link Repair

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