INSTALLATION GP-RADIO 3209998 - Caterpillar

Illustration 1 g01013252
(1) Output (2) Positive terminal (3) Negative terminal
Measure the primary coil resistance between positive terminal (2) and negative terminal (3) of the transformer.
Measure the secondary coil resistance between negative terminal (3) and output (1) of the transformer.
Table 1
Resistance    
Part Number     Primary coil     Secondary coil    
2W-3747     0.1 to 0.2 Ohms     4.4 to 6.9 K Ohm    
4W-5439     0.3 to 0.5 Ohms     7.2 to 10.2 K Ohms    
Illustration 2 g01013551
(4) Spark plug connection
Measure the primary coil resistance between Pin A and Pin B.
Measure the secondary coil resistance between the output terminal and the case of the transformer.
Table 2
Resistance    
Part Number     Primary coil     Secondary coil    
215-2434     0.2 to 0.4 Ohms     8.0 to 9.6 K Ohms