There is most likely a short.

I'd take out all the turn signal bulbs out on all four corners of the car and see if it blows the fuse when you use turn signal. If it doesn't, then put the bulbs back in one at a time and see which bulb blow the fuse. Then you can at least isolate the circuit.

Get the code read.

https://www.matthewsvolvosite.com/read-codes-volvo-850

Speedo gear goes bad, this is usually due to trip being reset while the car is in motion. You can either buy this https://www.ipdusa.com/products/4709/109979-850-odometer-gears-instrument-cluster-bulb-kit Or buy the speedo gear but get some LED for the dash like I did. https://www.ipdusa.com/product...

Now for some questions: my vehicle is '98 S70 T5 w/ single mass flywheel (according to chassis #) 1) While the transmission and axles are out, is there anything else I should check or replace at this time? Unless you have a LSD to put in, no. 2) Is there any rehab I should perform on the transmissi...

Is the warranty transferable? Is that signed by Volvo saying the warranty is transferable?

The connector is not available anywhere. I use 4 of this *on the left* and added some wires to make my own connector. http://thumbs4.ebaystatic.com/d/l225/m/m9HEWjM9Z6mSWDfqs1TTo-Q.jpg Just wondering could you post the way you did this? And what gauge wires did you use or did you trim the old ones ...

I have zero electrical knowledge and could not figure out what gauge or what wire the red wires are I found a site that sells the pigtails but the offer a "fat red" or regular and I do not want to order the wrong part ...or even have to order it if I can just rebuild or refabricate a conn...

I think Turbo and NA automatic transmissions are different. Are the driveshafts different as well? Rockauto says the auto turbo and auto n/a axles are the same. https://www.rockauto.com/en/catalog/volvo,1994,850,2.4l+l5,1433977,drivetrain,cv+half+shaft+assembly,2288 Manual axles are thicker from fa...