Chrysler 2005 Crossfire SRT6 Service Manual page 684

8A - 30 AUDIO - SERVICE INFORMATION
4. There should be no continuity. The ohmmeter should register an open circuit. Low resistance indicates a dam-
aged or shorted antenna conductor. If OK, go to Test 2. If not OK, replace the faulty antenna cable component.
TEST 2
Test 2 checks the antenna conductor components for an open circuit. This test should be performed first on the
entire antenna circuit, from the antenna mast to the center conductor of the coaxial cable connector at the radio. If
an open circuit is detected, each of the three antenna conductor components (antenna mast, antenna body and
cable) should be isolated and tested individually to locate the exact component that is the source of the open circuit.
To begin this test, proceed as follows:
1. Touch one ohmmeter test lead to the tip of the antenna mast. Touch the other test lead to the center conductor
pin of antenna cable coaxial connector for the radio. Check the ohmmeter reading for continuity.
2. There should be continuity. The ohmmeter should register only a fraction of an ohm resistance. High or infinite
resistance indicates a damaged or open antenna conductor. If OK, go to Test 3. If not OK, isolate and test each
of the individual antenna conductor components. Replace only the faulty antenna conductor component.
TEST 3
Test 3 checks the condition of the vehicle body ground connection. To begin this test, proceed as follows:
1. This test must be performed with the battery positive cable disconnected from the battery. Disconnect and isolate
both battery cables, negative cable first.
2. Reconnect the battery negative cable.
3. Touch one ohmmeter test lead to a good clean ground point on the vehicle rear quarter panel. Touch the other
test lead to the battery negative terminal post. Check the ohmmeter reading for continuity.
4. There should be continuity. The ohmmeter should register less than one ohm resistance. High or infinite resis-
tance indicates a loose, corroded, or damaged connection between the battery negative terminal and the vehicle
body. If OK, go to Test 4. If not OK, check the battery negative cable connection to the vehicle body and the
engine ground for being loose or corroded. Clean or tighten these connections as required.
TEST 4
Test 4 checks the condition of the connection between the antenna coaxial cable shield and the vehicle body ground
as follows:
1. Touch one ohmmeter test lead to a good clean ground point on the rear quarter panel. Touch the other test lead
to the outer crimp on the antenna coaxial cable connector. Check the ohmmeter reading for continuity.
2. There should be continuity. The ohmmeter should register less than one ohm resistance. High or infinite resis-
tance indicates a loose, corroded, or damaged connection between the antenna body and the vehicle body or
between the antenna body and the antenna coaxial cable shield. If not OK, clean the antenna body to fender
mating surfaces and tighten the antenna cap nut to specifications.
3. Check the resistance again with an ohmmeter. If the resistance is still more then one ohm, replace the faulty
antenna body and cable.
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