Question about 1994 Chevrolet S-10 Blazer

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I cant get it to start. I replaced the battery,alternator,ignition switch,relay switch,both negative and positive cables.when i switch it on everything on the instrument panel comes on it just does nothing when i turn the key more to crank it

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  • Master
  • 630 Answers

You may have a defective neutral safety start switch, if this vehicle is a standard(stick) shift the switch is mounted on tiop of the clutch pedal above your foot, jump the swith out by unplugging it and installing a jumper wire across the connector, if it starts the switch needs replacement.
If its automatic the neutral switch is sometimes mounted on the base of the shift handle in the console, to test this try starting the vehicle holding the key in the start position(all the way to crank and dont let off) while you giggle the shift handle around from park to neutral, if it starts the switch is defective.
In some instances the switch is an electrical threaded switch screwed into the side of the transmission located near to the shift linkage or screwed directly into the opposite side of the linkage.

Posted on Jun 05, 2010

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  • Chevrolet Master
  • 2,050 Answers

You might want to see what voltage is getting to the starter motor.
You will need a meter!!!
Check the battery voltage, and then meter ground and the large wire cable at the starter (Attatches at the solenoid) The voltage should be the same. (With the key off)
Now, check the smaller wire at the starter solenoid, as it should have battery voltage only when the key is turned to "start." If you have these, the starter is probably bad. Remove it and get it tested at an auto parts store.

Posted on Jun 05, 2010

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1 Answer

Had to replace fuse inline alternator how can I transfer the inline fuse to a different wire


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I will throw out a few ideas, maybe someone else had the identical problem and solved it. With the gauges spiking, you have electricity running around trying to find a place to ground. This is not the whole problem though, because something is staying connected long enough to drain your battery.
There are several Alternator tests, Voltage output, and the Diode tests. You can get good readings on Voltage and still have bad diodes. Diodes act like little gates to keep electric flowing in one direction. When these little gates fail, it allows the battery to discharge through the Alternator.
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"Not starting" when shut off is confusing. Do you mean it cranks normally and does not fire up? or do you mean the Battery is dead and the starter will not crank the engine? If the Battery is too low to crank the engine immediately after driving, then the Alternator is not charging while you are driving and is not showing a discharge.
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95 Ford Ranger Auto Alarm Wiring Diagram.

You need to re-check your ignition wiring. Here is the wiring for the alarm.

Battery Constant 12v+ Positive Wire (+): Yellow
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Red/Light Blue
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Light Green/Purple
Ignition Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): Black/Light Green
Second Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Gray/Yellow
Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Positive Wire (+): White/Black Or Brown
Parking Light Positive Wire Location: At Headlight Switch Or Low In Drivers Kick Panel

Power Door Lock Negative Wire (-): Pink/Yellow (Type B)
Power Door Lock Negative Wire Location: In Either Kick Panel

Power Door Unlock Negative Wire (-): Pink/Light Green (Type B)
Power Door Unlock Negative Wire Location: In Either Kick Panel

Door Trigger Positive Wire (+): Black/Light Blue
Door Trigger Positive Wire Location: In Drivers Kick Panel

Domelight Supervision Wire: Use Door Trigger (Requires Relay)
Domelight Supervision Wire Location: N/A

Horn Negative Wire (-): Yellow/Light Green
Horn Negative Wire Location: At Steering Column Harness

Tachometer Wire Negative Wire (-): Any Wire With A Tan Stripe Or A Yellow Stripe
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Brake Light Positive Wire (+): Light Green
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): Dark Green/Purple
Factory Alarm Disarm Wire Location: Low In Drivers Kick Panel

Factory Anti-Theft System: N/A
Factory Anti-Theft System Location: N/A

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1 Answer

What color is the power wire in 1994 toyota pick up


this might help
1994 Toyota Pickup Car Security Wiring Diagram
Battery Constant 12v+ Positive Wire (+): White And White/Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness
Starter Positive Wire (+): Black
Starter Positive Wire Location: Ignition Switch Harness
Ignition Positive Wire (+): Black/Yellow
Ignition Positive Wire Location: Ignition Switch Harness
Second Ignition Positive Wire (+): Black/Yellow Or Black/Red
Second Ignition Positive Wire Location: Ignition Switch Harness
Accessory Positive Wire (+): Blue/Red
Accessory Positive Wire Location: Ignition Switch Harness
Parking Light Negative Wire (-): Red/Black
Parking Light Negative Wire Location: At Steering Column Harness
Parking Light Positive Wire (+): Green
Parking Light Positive Wire Location: In Drivers Kick Panel
Power Door Lock Negative Wire (-): Blue/White
Power Door Lock Negative Wire Location: At Door Control Relay. The door control relay, is located behind the driver dash speaker.
Power Door Unlock Negative Wire (-): Blue/Yellow
Power Door Unlock Negative Wire Location: At Door Control Relay. The door control relay, is located behind the driver dash speaker.
Door Trigger Negative Wire (-): Black/White Or Black
Door Trigger Negative Wire Location: At 2-Pin Plug, Top Of Fusebox
Domelight Supervision Wire: Use Door Trigger, Requires Relay
Domelight Supervision Wire Location: N/A
Horn Negative Wire (-): Green/Red
Horn Negative Wire Location: At Steering Column Harness
Tachometer Wire Negative Wire (-): Black
Tachometer Wire Negative Wire Location: At Diagnostic Connector. The diagnostic connector, is located on the passenger inner fender near the fuse/relay box.
Brake Light Positive Wire (+): Green/White
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A
Factory Anti-Theft System: N/A
Factory Anti-Theft System Location: N/A

Nov 29, 2009 | 1994 Toyota Pickup

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