Question about Chevrolet Silverado
Selinoid ? Solenoid
Wouldn't think so , but you never know without testing . With the truck running you step on the brake which let's you shift from park into a gear . That part works right ?
Automatic Transmission Shift Lock Control Circuit Description
The automatic transmission shift lock control system prevents the automatic transmission from being shifted out of park position unless you depress the brake pedal with the ignition in run or start. When the ignition switch is in run or start, the current flows from the BU/LPS fuse located in the engine wiring harness junction block through CKT 839 (PNK) to the park/neutral position switch. The park/neutral position switch also feeds the backup lamps portion of the switch. With the transmission in park, the current flows to the automatic transmission shift lock control fuse located in the engine wiring harness junction block through CKT 275 (LT GRN). The current then flows to the stoplamp switch through CKT 584 (LT GRN/BLK). The current continues to the automatic transmission shift lock control solenoid through CKT 1135 (DK GRN/WHT). The ground path is provided through CKT 1850 (BLK) to G203. When you depress the brake pedal, the normally closed contacts in the stoplamp switch open and the current flow is interrupted. When the current flow interrupts the automatic transmission shift lock control solenoid de-energizes. The transmission may then shift to another gear. Once the transmission shifts to another gear (except park), the contacts in the park/neutral switch are open thus stopping the current flow to energize the solenoid when the brake pedal releases.
Posted on Jun 13, 2019
Solenoid doesn't control that. Sounds like a cable issue.. broken or adjustment needed. Could be the adjustment lock not engaged
Posted on Jun 13, 2019
SOURCE: 1999 Chevy Silverado wont start.
common problem the gear shift sensor on side of trans is bad.easy repair couple of bolts and a plug .most dealers stock it ask for a nutral saftey switch.bout 80 bucks ??
Posted on Apr 01, 2009
u have a problem with ur break light switch,,, its at the brake pedal and is threaded into the brake pedal bracket, if u have a new one and are going to replace it, disconnect the connector, loosen the 14mm nut and remove the switch by turning it counterclockwise...install ther new switch by turning it clockwise and tightening the 14mm nut then reconnect the connector...be sure to adjust the switch or else the brake lights will stay on at all times...draining ur battery and possibly burning out ur bulbs...this also releases ur trans from park to put into gears
Posted on Apr 12, 2009
Sounds like a bent fork in the transfer case. It is a common problem with your truck. The transfer case is a np236. If it just recently started doing this, the rebuild will cost around $800. If the 4wd has been acting up for a while, the planetary will probably need changed, which is another $200.
Posted on Jun 28, 2009
The stepping motors in the gauges go bad. do a search on ebay for CHEVY SILVERADO INSTRUMENT CLUSTER for cheaper repair options. The dealer charges around $300.00. It will continue to worsen.
Posted on Feb 01, 2010
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