Question about Pontiac Trans Sport
I have a 1994 pontiac transport se just had that happen to me. Checked the battery and it was still good and charging, my mechanic changed the "starter" but then it happened again. He said it was some switch on the transmission. You can start it in nutrael but he changed the switch. You see I just had the transmission done and he said sometimes that switch goes bad...Well it works now..
Posted on Apr 29, 2009
Possible that the starter is bad. I just replaced one on a 1999 Trans Sport. Now no problem
Posted on Apr 26, 2009
check for voltage at the small start wire on the starter when cranking the engine--you will need someone help. If there is no voltage you may have a bad neutral safety switch ,which is on the trany shifter.you have an automatic trans i assume.
If so try putting in neutral when cranking.
Posted on Oct 08, 2009
SOURCE: will not crank turn key
Check fuse # 28 (15 Amp) with a test light. (Located in the Power Distribution Center (PDC) on the left side of the engine compartment) It should have power only when the ignition switch is turned to the START position. If there is no power there, then you probably have a bad ignition switch. The only other fuse involved would be fuse #8 (40 Amp) which is also in the PDC. If this fuse is blown a whole lot of stuff is not going to work - not just your starter. The starter motor relay (Also in the PDC) is controlled by the PowertrainControl Module. The wiring diagrams show it as a 5 pin relay whereonly 4 of the pins are used. If you check for power and ground at the connector pins for the relay, there should be one pin that is hot all the time. This is the power from fuse #8. a second pin should be hot with the key in the RUN and START positions. This would be the circuit running through fuse# 28. One pin should have continuity to ground (your test light should light up if you hook it to the battery positive terminal and probe this terminal.) This is the circuit that goes down to the starter. The 4th pin will have no continuity to anything at all until the ignition is placed in the START position, when it will have continuity to ground. This is the relay control circuit from the PCM.
If you dont have power at the relay connector as described, then you must repair the circuits between the fuses and the relay. If you don't have the grounds as describedfor the starter circuit, you ether have an open circuit going to the starter or a bad starter. If you are not getting ground on the control circuit from the PCM, it could be several other things causing your no-crank problem. It could be an open circuit between the starter relay and the PCM or it could be that the PCM is not allowing an engine start for one reason or another - The PCM will have to be scanned to find out what the problem is.
Posted on Mar 06, 2011
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