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Page Title:
Diagnostic connector assembly (DCA). |
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|  MIL-D-52987A(ME)
All lights with the exception of the instrument panel lighting shall be guarded or mounted in a protected
location. If the lights are mounted on the ROPS, alternate provisions shall be made for mounting the lights
when ROPS are removed. The brake lights shall override the emergency flashers.
3.16.2.1 Blackout lighting. One blackout headlight conforming to Drawing 12360910 shall be
mounted as close to the extreme left of the vehicle as practical and positioned to provide illumination with
minimum obstruction. Two blackout stoplight-taillights conforming to MS51330 shall be mounted
adjacent to the taillights specified in 3.16.2 and shall be mounted in recesses or provided with guards. The
blackout light shall be controlled by an interior switch conforming to MS51113 which is readily accessible
to the operator in his seated position. All other exterior lights, backup alarm and the horn, if electric, will
be made inoperable automatically when the blackout lights are switched on. All instrument panel lights
(exclusive of warning indicator lights) and gages which are illuminated in the blackout mode shall not emit
energy outside of the 380 to 700 nanometer wavelength range. A separate wiring harness may be provided
for the blackout lights. In lieu of separate service and blackout taillight assemblies, composite light
assemblies, conforming to MS52125 may be provided. All warning indicator and enunciator lights shall be
light emitting diodes (LED).
3.16.3 Electromagnetic radiation. The distributor shall be suppressed to limit electromagnetic
radiation to limits of SAE J551.
3.16.4 Horn. An operator controlled horn shall be furnished.
3.16.5 Backup alarm. A backup alarm conforming to SAE J994, type C shall be furnished.
3.16.6 Slaving components. The distributor shall be equipped with a 24 volt slave receptacle
conforming to MS52131. The slave receptacle shall permit charging of the batteries and slave starting of
the engine from an external power source and shall also provide a power source for charging and slaving
other equipment. The slave receptacle shall be installed on the exterior of the distributor near the battery
enclosure and shall be accessible to personnel standing on the ground.
3.16.7 Diagnostic connector assembly (DCA). Unless otherwise specified (see 6.2) the distributor
shall incorporate an easily accessible DCA in the operators compartment for interface with the
Government's simplified Test Equipment/Internal Combustion Engine-Reprogrammable (STE/ICE-R) in
accordance with STE-ICE-R Design Guide for Vehicle Diagnostic Connector Assemblies Report
No. CR-82-588-003. The diagnostic connector shall be in accordance with Drawing 12258941. As a
minimum, DCA shall be capable of monitoring the functions defined in table 2-2 of Report
No. CR-82-588-003. When specified (see 6.2), additional test parameters to be monitored in either the
DCA or transducer kit (TK) mode shall be as specified in the contract. Test points identified to monitor
functions in the TK mode shall be accessible without the removal of major assemblies and installed
attachments. Fittings/adapters required for the interface with the STE/ICE-R test set when monitoring in
the TK mode shall be permanently installed on the distributor. Adapters in the STE/ICE-R test set shall
readily mate with test point connections on the distributor. A separate wiring harness shall be provided for
the DCA and shall include all wiring and necessary hardware to perform required capabilities. A fuel
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