Suzuki GA413 Service Manual page 629

1. Masking tape
2. Fine-tip brush
3. Broken wire
4. Repair agent
2) Locating damage in wire
a. Touch voltmeter positive (+) lead to heat wire positive termi-
nal end.
b. Touch voltmeter negative (–) lead with a foil strip to heat wire
positive terminal end, then move it along wire to the negative
terminal end.
c. The place where voltmeter fluctuates from zero to several
volts is where there is damage.
NOTE:
If heat wire is free from damage, voltmeter should indicate
12V at heat wire positive terminal end and its indication
should decrease gradually toward zero at the other termi-
nal (ground).
DEFOGGER CIRCUIT
REPAIR
1) Clean glass with white gasoline.
2) Apply masking tape at both upper and lower sides of heat
wire to be repaired.
3) Apply commercially-available repair agent with a fine-tip
brush.
4) Two to three minutes later, remove masking tapes previously
applied.
5) Leave repaired heat wire as it is for at least 24 hours before
operating defogger again.
BODY ELECTRICAL SYSTEM 8-27