Skip to content
View in the app

A better way to browse. Learn more.

Ultimate Subaru Message Board

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

Can someone tell me where I can get a ignition transistor or is it possible to bye pass it. On a 90 Loyale

Featured Replies

  • Author

Positive on both sides of the ignition coil 

  • Replies 56
  • Views 10.4k
  • Created
  • Last Reply

Top Posters In This Topic

Most Popular Posts

  • I doubt that part is the problem.  No spark would have me checking for a broken timing belt, a loose rotor, and insuring the coil bracket was tight against the car body as it acts as a ground for the

  • No, you cannot bypass it. The transistor in the control unit will not handle the current of the coil. How many wires on it and is it grounded to the coil bracket? To act as a transistor powe

  • When you turn the ignition switch key to ON, one of the two eyelets will show 12 volts and that one goes to the coil positive terminal. The other eyelet goes to the coil negative terminal. That w

Posted Images

  • Author

Okay so it should spark if there voltage on there side of the ignition coil correct and what would cause it to not spark even though there reading 12 on both sides.  
 

there are other random stuff not working on the car I’m wondering could it be something with the ecu 

 

Bad coil-does it work on another car?

Or more likely,no connection to ground thru the transistor.

Maybe no ignition pulses from the ECU on the WY wire to the transistor plug.(you need a LED style test light to see these)

You never said if there were any trouble codes.

  • Author

I have the test light I’ll try that tomorrow 

it should pluses when cranking 

brand new coil 

  • 1 month later...
  • Author

Sorry I haven’t been on here for awhile 

there is no pulse does this mean there something wrong with my ecu

there are no codes

The ECU code LED should be blinking an all is ok code with the key in run position.  Does that happen?

 

  • Author

I will double check but there is no blink 

Please sign in to comment

You will be able to leave a comment after signing in

Sign In Now

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.