Chevrolet 2004 Blazer Bedienungshandbuch Seite 15

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Seitenansicht 14
(Section 12 — continued from previous page)
Modifications/add-on wiring must be carefully reviewed to ensure compatibility with the base vehicle wiring by reviewing system schematics,
wire routing paths, harness connections, etc. Due to the wide range of modifications that may be required for vocational needs, it is not
feasible for the O.E.M. to take into account all potential revisions. For this reason, any person modifying existing vehicle wiring must assume
responsibility that the revisions have not degraded the electrical system performance. Any add-on wiring must be properly fused and routed
to prevent cut, pinch, and chafe problems, as well as avoid exposure to excessive heat. Care must be exercised that existing vehicle
interfaces do not have their current load capabilities exceeded, and that the respective control devices are not overloaded. Added wire size
should be at least as large as the wire to which it is attaching in order for fuse protection to be maintained.
A Packard electric wiring repair kit is available through Kent-Moore (GM P/N 12085264, Kent-Moore P/N J38125-4). This kit contains
instructions, tools and components for making repairs to wiring harness components. This kit would also greatly assist in accomplishing
necessary add-on wiring such as body marker lamps, so that system reliability/durability is maintained.
Electrical wiring components can be obtained through your authorized GM dealer. Many Packard Electric components are also available
through Pioneer Standard Company (1 800-PACKARD). Pioneer may also be able to assist in making necessary wiring additions by providing
custom wiring stubs or jumpers to your specifications.
Fusible Link Repair Procedure:
1. Cut damaged fusible link from wiring harness assembly splice.
2. Strip insulation from harness wire as required to splice on new fusible link.
3. Fabricate a new fusible link wire approximately 6 to 8 in. long from the same wire size as the original link. (Acceptable fusible link
material will be imprinted with the wire size and the wording to identify it as fusible link. Fusible link cable is not the same as normal
vehicle wiring.)
4. Terminate fusible link harness wire with a suitable compression splice clip, and solder with an electrical grade rosin core solder.
Wrap splice area with tape to provide electrical insulation, as well as mechanical strain relief at the splice.
5. Strip, terminate, solder, and insulate remaining end of fusible link with appropriate termination to be compatible with the rest of
the electrical system.
6. For further information, refer to the instruction manual in the wiring repair kit referenced elsewhere in this section.
Accessory Power Supply Feed:
For power requirements to service additional devices to be added by body builder/upfitter, the power supply source must be at the junction
block on the front of dash above battery using the small on the left-hand side of junction block.
NOTE: A ground stud has also been provided above the junction block.
S/T SMALL UTILITY – SUV
(
C
HEVY BLAZER & GMC JIMMY
)
S/T Small Utility – SUV 2004
12
PAGE
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