Question about 1995 Saab 900
Sometimes when trying to start the car the dashboard lights are very dim and car will not start turn the ignition on and off several times and the dash lights up properly and the car starts straight away i have only had the car for a few weeks and never having had one before i have no idea where to start looking any help would be greatly apreciated thanks
Sounds like something loose causing a partial short somewhere in the electrical system. take out and check each fuse one at a time. Do the same for the relays. Give each relay a bit of shake to be sure nothing has got loose. Now check the starter solenoid and the heavy duty contacts for the starter motor. The starter solenoid pulls the armature of the starter motor forward until the drive cog on the end engages with the teeth on the edge of the fly wheel. When it engages a copper bar within the solenoid hits across contacts allowing charge to flow through the starter motor and to kick it into motion and thereby turn the engine over. If these copper contacts are fouled or corroded they need to be cleaned up with steel woo. At this time, with everything out, a general clean up of all starter motor components would be time well spent.
Posted on Apr 29, 2010
I would guess you have a corroded wire coming off your battery's positive terminal.
Posted on Apr 29, 2010
You do not have a short, the term short means positive touching negative before a load. if that were the case you would pop a fuse or melt wiring. the problem is you either have poor (corroded connections) or a weak battery.. It is possible you have an intermittant diode problem in the alternator which can be tested at a repair shop. the alternator would fail under a shorted diode situation which can be intermittant. Its also possible the electrical part of the igniton switch has connection issues and will need to be replaced
Posted on Apr 30, 2010
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Posted on Jan 02, 2017
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