A fuse "blows" because the circuit is trying to carry more current (amps) than design. It does this by interupting the circuit to protect the wiring from damage due to overheating and the possibly of a fire. When you turn the car on power (voltage) is supplied to many circuits including the fuel injection system. Typically when a fuse immediately blows when power is supplied, the cause is a short circuit to ground. Visibly check the wiring and connectors in the circuit for obvious damage and repair. If you find no indication of damage, disconnect the components in the circuit and check if any are internally shorted and replace. Check the wiring before reconnecting to confirm it isn't shorted. If it is you'll have to do a thorough inspection to locate the short and repair.
SOURCE: SAAB manual gearbox fluid check & fill location
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SOURCE: 1978 VW Super Beetle Fuel Injection trouble
check your mass air flow sensor , it take over fuel pump control after the engine starts
SOURCE: how to relace clutch cable on 1995 saab se 900 turboon saab 900se
1. Remove the battery.
2. Remove the clutch cable end from the clutch arm end at the wire stop.
3. Slide out the rubber doughnut from the gearbox housing which holds the clutch cable
4. Move the distribution box nut and the alarm pin attached to it (some modules)
5. Disconnect the clutch cable holder from the fender and the data link holder.
6. Remove the drivers lower panel below the steering wheel and remove the air duct as well as the knee shield.
7. Slide out the fuse box holder and ICE Box (should be a black box with many wires going to it). You can remove the instrument cluster at this point but you can also do this without removing the cluster with a little patience
8. Move the pedal spring to one side and remove the eye catch for the cable.
9. Remove the clutch cable by pulling it out from the engine compartment
10. Reinstall in the reverse. Saab actually came out with a bulletin which Needed one to install two washers at the back of the new cable instead of one. The factory cable comes with one but you can remove the 2nd washer off the old cable and install it on the new cable so two exist. This helps take up excessive pedal slack.
SOURCE: 19886 saab 900 convertible roof not working.
Hi David:
First, check the fuses for the hydraulic motor; if they're blown, replace and monitor (why did they blow? Perhaps an overload, or ...) These fuses are located in the engine bay on top of the fender by the front right wheel housing.
Next check the voltage supply to the top switch, possibly a loose connection or broken wire.
Also check relays C (raising top) and D (lowering top) under the rear seat.
Lastly check for voltage at the pump, also under the rear seat, when the switch is actuated, and that the voltage polarity reverses when the switch is actuated the other way (up or down).
After that, it's a hydraulic/mechanical problem. Check the fluid level in the pump reservoir (use SAAB fluid to top up if low) Fluid level should be at the upper marker with top down, and at the lower marker with top up.
Check behind the rear seat side panels that the piston shaft is still properly attached to the roof mechanism bracket at one end, and the piston itself is still firmly attached to the body. Look for any leakage from the system.
If all tests out OK and looks good under the rear seat and behind the side panels, then there is the possibility that the piston seals have failed and the fluid is just circulating around without activating the piston. Pistons are available (http://www.convertibletopguys.com/cgi-local/displaycat.cgi?cat=584 - scroll down) but the entire system should be removed to avoid getting hydraulic fluid on the interior.
However, that fact that you can operate the hood using the bypass valve (manually) would indicate that the hydraulics are likely OK, and that it's probably an electrical or mechanical problem.
Good luck!
Saabreur
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Thank you was hoping wouldnt have to tear into wire harness but looks like thats whats gonna happen
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