Starter Voltage Drop
Starter relay ? Transmission range switch ? IS battery voltage getting to the starter solenoid S terminal ?
How to voltage drop test starter motor circuit
Free wiring diagrams here http://www.bbbind.com/free-tsb Enter vehicle info. year , make , model an engine . Under system click on engine ,then under subsystem click on starting .
Starter
When the ignition switch is moved to the RUN position, battery voltage is applied to one side of the Crank Relay in the underhood accessory wiring junction block through circuit 3, the PCM-BCM Fuse in the fuse block, and circuit 439. When the ignition switch is turned to START, voltage is fed to the powertrain control module connector C2 terminal 23 through circuit 5, the CRANK SIGNAL Fuse in the fuse block, and circuit 806 through the underhood accessory wiring junction block. Power is always provided from the CRANK MaxiFuse in the underhood accessory wiring junction block to the common side of the Crank Relay contacts. When the powertrain control module sees the crank signal and determines that conditions are OK for a crank, it supplies ground through circuit 625 to the Crank Relay. The Crank Relay now has both power and ground to the relay coil, causing the relay to pull in. When this happens, and the gear selector is in either PARK or NEUTRAL, the power at the relay common contact is passed through the normally open contact , circuit 1737, the transaxle range switch and circuit 6 to the S terminal on the starter solenoid.
SOURCE: WONT START CLICKS
The battery has run down flat or the starter has gone bad. check the two.
Good luck.
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SOURCE: Fan switch only works on the two highest settings
the various speeds are controlled through resisters (spring-like in apperance) one of different value for each speed, none for highest speed as the power gets to the blower uninpeeded . the resistor pack should be located on the center of the firewall, held by 2 screws. thats under the hood. where the engine bay ends....
SOURCE: I have a 1998 Buick centry the ac/ heater fan
Easy fix. The fan motor is easily to access. Remove the shield under the dash on the passenger side and you will be able to access the motor from there. Remove the electrical plug from the motor and remove the scares that secure the motor and voila!!! I lubricated the bearings on the motor and re-installed it.
SOURCE: my 1990 buick centry v6 3.3 will start, stutters a
Possible cracked intake manifold, possible fuel pressure fault, possible vacuum leak
SOURCE: 1998 buck centry, steering wheel jiggles
Poss. a seperated tire, or if you have driven in any mud recently it could be packed on the rim, putting it out of balance
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