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ASCD and Park Neutral Switch Conversion
(Automatic speed control device)
Notice: Make sure to follow these instructions or the truck will not start.
1. Locate the park neutral relay.
96 and some 97 models
In some 97 and earlier vehicles it is locate in the driver side relay box
in the engine compartment and is labeled N*P. Remove the N*P
relay and cross connections 6 to 7 and 3 to 4.
Fig. 2.2 Relay assembly, 96 model shown.
98 and later models
In some 98 and later vehicles the relay is locate in the passenger
relay box in the engine compartment and is labeled N*P. Remove
the N*P relay and cross connections 6 to 7 and 3 to 4.
Fig. 2.3 Relay assembly, 97 and later.